I wouldn't mind getting a Dell 3d set up and just plugging my PS3 and PC into it for on the desk gaming and occasional 3d movie.
On the other hand I think a smaller 3D TV could be muscled from the living room to the desktop as needed and then there is also the option of getting a 3D projector.
Monitor Gaming PC / PS3
Small TV Gaming PC / PS3
Projector HTPC / PS3