Ultima VII, in Automagical 3D
WWWWolf writes "Ultima VII is quite well emulated using Exult. Exult folks have added quite a few handy additions to the game, but nothing they have done quite matches their newest feature: Exult in 3D. There is talk about support for actual 3D models in future. Being an alpha-quality work at the moment, the source is not available, but there's a load of screenshots and a Linux binary to try."
I have found that alot of great classic games were completely ruined by making them 3D. It ruins the playability. Sure it looks cool, but you forget about that after a few minutes and then are annoyed when things are hidden behind walls where your character should be able to see it but you cannot. I'm all for 3D games that make sense (ie FPS), but just making things 3D for the sake of it looking cool is not always so good. I think RTS and RPG's should almost always be top down view with no playability hampering 3D to screw things up.