I recommend Cote d'Azur. It's basically a rally course on asphalt. Deep Forest and Trial Mountain II are also very rallyish with all the bumps and blind corners... then again, if you're not into rallying for the excrutiatingly high stress, maybe you're looking for a nice relaxing course like Apricot Hill =)
As for initiating the drift, check my webpage in my signature and I have a guide on drifting RWD cars. It has an explanation of the various methods for initiating a drift. Pick one, learn it, repeat. =) RWD and AWD drifting are very different but you should be able to get a better idea of how it's done even if you're using AWD. The rally-to-drift transition is not hard, so I think you'll catch on fast. Rhys Millen is living proof of that!