Queen's pawn, especially the nimzo and queen's indian
Your favorite opening....
update
1.e4 as white, for Evans Gambit,Halloween Gambit,Anti-Dragon
Different Sicilians, Budapest and English Defense
update
d4 sux!!!
1.e4 as white, THE EVANS GAMBIT IS UNSOUND, THE HALLOWEEN GAMBIT IS UNSOUND, THAT ANTI DRAGON IS ANNOYING, THE BUDAPEST IS UNSOUND, different sicilians, italian game

Tell us about your favorite opening.
I prefer the Italian and Spanish openings, eventually I will play a Sicilian. As you can see, I'm a conservative kind of guy.
Wanna scare me? Try playing the Reti or the English against me. That would certainly make me uncomfortable...