Steam Controller
It looks kinda stupid but thats not a valid complaint, its just the Deck controller, I think every PC gamer is gonna have one of these, no reason to use anything else now, this is the best controller without a doubt. What's a bit unclear is if they mean the sticks are hall effect by magnetic? Very nice they include the dock too. Battery should've been replacable like Steam Frame's though, if Frame's can run off AA with same feature set providing good battery life I don't see why this couldn't have rechargable AA's inside, would've been nice.
I'm not concerned about the price unless its something insane like $200 like the DualSense Edge, I think its gonna be below $100 and it'll fly off shelves, controllers gotten too overpriced, Switch 2 Pro is over €100 here, DualSense is like 80, Xbox can be found sometimes for 50 but also has no features. Obviously the cheaper the better especially since people will buy multiple ones but I could imagine it anywhere in the 50-100 range and doing well. I'll most likely get one.

Steam Machine
If within console price range I think it'll do very well and the specs are fair if thats the price but since its also a desktop PC I would've liked more expansion, the SD card slot should've been full size and SD Express, the Ethernet should've been 2.5G and the two back USB ports are inexusable to be 2.0 still, most people either won't use a keyboard and mouse or use it wireless and hooking up external drives in the front is ugly (or what if I want to have more than 2 plugged in). I hope its easy to take apart to replace the SSD, and I won't hope for any free space to install another M.2 or especially a 3.5 SATA HDD since I know its unrealistic and most people won't care but if it was there that would be really nice and would make the slower IO suck less. 1TB should've been offered I think it would've been the optimal amount of storage for most and its the standard for consoles.
I hate RGB but the light bar to show download progess and what not is cool. I'm not in the market for this since I already have a good PC, I don't just game on it and I much prefer internal expansion and I kinda hate I have no reason to get one since its a cool device.

Steam Frame
I've been waiting for this for a long time, it should be the perfect PC headset and it almost is except..
Its standalone. The Index for expensive enough and they're putting a PC in there now the price is going to be insane so nobody will buy it, VR is a niche thing as in for those of us who just want to play single player VR games and mods and don't live in VRChat justifying such a high price for a device that will spend most of its life collecting dust is just not happening, I was really hoping that there'll be a PC-only option, I'm sure there is enough of us who refuse to buy what Oculus was turned into and there being basically no other reasonably priced headsets for native PCVR. With that being said Frame is still the most PC out of all the standalone headsets so that at least gives some hope for it at least not being a completely horrible locked down experience like the Q*est but still the price I feel is gonna ♥♥♥♥ it unless they're willing to take massive losses on it to drive adoption. It has an ARM CPU which I guess it has to due to heat and battery but then it's not really a real PC, ARM PCs suck to begin with and ARM Linux, well yeah.. It's supposed freedom is much limited by that.

Hardware wise, specs seem okay, will probably be fine for playing older VR and flat games standalone (I'm really hoping since they're not advertising it as high end game capable standalone that means a cheaper price), 256GB is fine, 512 would've been a sweet spot due to higher size of PCVR games but it probably won't run most of the demanding games standalone anyways and there is an SD slot, which is really nice (could've been Express). Resolution and refresh rate is high, no complaints about the display aside that its not OLED, is there a good reason why all headsets moved away from OLED or just cost cutting?
Inside-out tracking is good for price reasons (should be optionally compatible with outside-in for the people that have it), if it sees in the dark thats very nice, having the run the lights on for the Q*est to see is total bs.

PCIe slot on the front is absurd and I love it, what I don't though is where my most serious concern comes in that the back USB-C port is only 2.0 for some insane reason, it's advertised as a PC so if I want have an external SSD hanging off my head I should be able to damn it or Ethernet adapter for fast downloads since its a PC and that wouldn't be arbitrairly blocked like on a certain other device.. There is no excuse for the USB port to be 2.0, USB3 has been free for ages it should be there.

Most importantly though, USB-C 2.0 means no wired PC connection and its nice they include a direct wireless adapter but wireless is wireless and therefor never as reliable as a cable, having no opton to connect a cable is going to cause issues, sure the adapter solves the I don't have WiFi problem but doesn't solve the interference problem and just general wireless unreliability problem. Even with standalone I surely thought wired connection was gonna be an option even DisplayPort native mode so being announced with 0 wired play is a major dealbreaker and my biggest concern about its usability. At first the cable going back to the battery fooled me into thinking it was gonna be a tethered headset. I hope there'll at least be an official cable using the front PCIe port (tho that actually sounds inconnvenient and annoying to deal with).

Also I hope this means SteamVR on Linux will become usable now but if the price/wireless issue is there then it still sucks since basically no other headsets are compatible on Linux. If my concerns are not addressed I guess I'll just grab a PSVR2 before they stop making it and have it collect dust until somebody hacks it together to work on Linux..