I have the official M$ wheel, but its a bit sensitive for me. Forza 1 was infinitely better then GT3 and 4 combined in terms of physics and AI and Forza II is even better on every level. You can watch replays and tune the car's camber, toe, tire pressure, EVERYTHING its neat but optional (thank god)
Im lovin it but its startin to get dam hard especially the no mods allowed races