well sure the oil idea is alright.. except for how the hell are you gonna try and take everything out again? :lol:
i would say get a custom case or acrylic case... otmshardware actually has a vid on an oil cooled computer...
does that mean you take all the fans out though? an what about all those little gaps in the PSU? are you meant to pour the oil into the PSU? cos if you didnt it would get condensation inside..
hard drive/optical drives? how are they gonna roll with the oil?