I enjoy a rather extensive range of anime from comedy to horror, action to drama and mecha to shonen ai. I'll watch anything at least once, and a few others several times!
Even though I enjoy most genres, anything with samurai in it is an instant draw for me. So are swords for that matter, I do dig a good sword fight.
I am also weak against the "pretty boy" and will watch a show just because there are nice looking guys in it (no matter how horrid it is)...but ssshhhh, that's a secret between you and me, neh?
So much anime to watch...so little time...