Having multiple companies trying to sell STEAM machines
that all performed and looked differently was not a smart move. I'm not one for closed platforms, but I'm not against homogeneity when it comes to hardware. It saves on cost, easier to market, and the consumer knows what they're getting.
I believe this was one of the biggest issue with the Steam Machines, alongside them being Steam OS based with some Windows Machines alongside them. I would have liked to have seen something like the prototype Steam Machines made available instead of the Steam Machines from various different companies, some of them were incredibly limited or just bad too. I feel that if Valve released finalized versions of the Prototype Steam Machines they would have done much better, although having Windows would be ideal for game compatibility reasons.
The Prototype Steam Machine models were upgradable and some of them had pretty nice hardware in them for their time, IIRC some had GPUs in them like GTX 780s and CPUs such as the i7-4770 and i5-4570.
Having a solid baseline for a Steam Machine would be great as it ensures those who buy even the lowest priced model, if hypothetically there were multiple models, that many games would be compatible on the system for years to come and offer performance and visuals above consoles, with room to upgrade if you desire. It would make entering PC Gaming so much more accessible for people if the lowest priced model was essentially a mid-range PC.
I'd also love it if these hypothetical Steam Machines made PC Gaming a more affordable entry route through Steam Machines, compared to a total custom build. Like if Valve were able to source the hardware and offer the whole machine at lower price point or something, like how console companies are able to bring consoles to market because they're getting things at lower prices, or even by making money off the software. Valve gets a 30% cut of all Steam sales so I think the latter option could work well in their favour.
If Valve were to launch their own Steam Machines today, I'd like to see something like this:
Base Model
CPU: i5 8400 (6 cores at 2.8-4.0GHz)
GPU: GTX 1060 6GB/RX 480 8GB
Memory: 16GB 3000MHz (2X8GB)
Storage: 1TB HDD + 128GB SSD for OS and Software)
PSU: 500-600W (Gold, 80 Plus? - This leaves headroom for GPU upgrades, etc.
Operating Systems - Windows 10 + optional dual boot Steam OS?
Price: £600-800?
Yeah I know, GPU and Ram prices are kinda messed up these days... My gosh I just had another look at ram prices, wow!
I don't know really, the concept of Steam Machines really intrigues me, I believe there is tons of potential and it could also make mid to high-end PC Gaming more approachable and mainstream.
Of-course, there's so much things that could be said about such a concept, such as the feasibility of it, how Valve could work with developers etc.
Edit - Expanded post and corrected spelling mistake.