Tiled Map

Hey, I’m trying to make a game with quad tiles and 3D models for building, can anyone tell me which projection should I use, and how to setup the camera position and lookat?

If you didn’t get what style of game I want to make, take a look at this video:
http://www.youtube.com/watch?v=i6eYtLjFu…=PL&index=2

Thank in advance, KonoM.