Since seeing the last music video of Lady Gaga "Bad Romance" I got traumatized enough to never listen to this kind of music ever again (top 10 popular radio kind of stuff).
I'm a new musician so I discovered a lot of new genres and styles lately. But I stick to listening to a mix of:
Classical (mostly Tchaikovsky) and Movie/Trailer (John Williams/James Horner) songs;
House/Electro/Trance (Klass, Deadmau5, Juno Reactor, etc.);
2000-2005 rock(Jimmy Eat World,Celldweller,etc);
Not really much into Rap or HipHop because sadly, my English is not good enough to understand most of what is said;
Latin...I'm learning Salsa dance so its fun to link both;
Jazz/blues... hmm, hard to say, there some real good classics there but i'm too young to taste it like some of you do.
Don't listen to techno, pop, hardcore (except a couple of Michael Jackson's) as they lack pieces reaching all the way down your spine or makes you want to "go with the flow".
That sums it up I guess...