I know the project is halted because of thermal problems around the graphic card,
how feasable (manufaturable at reasonable cost) would it be to cut the case into two separate compartments?
Something like the old sharp x68000, which even now is one of my favorite case. One side will contain the...
I would buy your concept as-is if you sell it :)
Although I don't plan to go dual GPUs so I wouldn't mind the psu going over the additional slots to gain space. No riser and nothing over the CPU is what I'm looking for.
There are indeed a lot of other interesting projects out there, but none are really reaching the level of completion (perfection?) your cases have. So I guess I'll patiently wait to see what you'll come up with ;)