Hi,
I'm a fairly new player, although I first played Dominion about 6 years ago. About halfway through my first game I stopped, looked at my buddy who was teaching me to play and told him this game was genius. This year I finally broke down and bought the base set and taught my wife to play, and some of my family and her family too. I've since bought intrigue and seaside and prosperity are arriving tomorrow.
I'd have to say my favorite cards are trash-for-benefit, moneylender, remodel, upgrade, and mine. I'm glad I found a place to talk Dominion.