I enjoy a mix of hack/slash and strategy, planning, politics, etc. I enjoy working large scale campaigns where your character groups must make allies and play within themselves in order to achieve goals that are bigger than them.
I haven't played regularly in about 8 years. I've played mainly Earthdawn and MechWarrior. I have dabbled in D&D (didn't like it though that might have been the DM) and dabbled with Vampire and GURPS. Earthdawn is by far my favorite.