My list.. just a portion, it's really long otherwise:
Pete Yorn
Sum 41
Avril Lavigne
Anything from American or Canadian Idol - PLEASE, GET THE FUCK OFF OF MY TV..
Nickelback and any of their 1,000,000 clone bands
Nu-metal, Nu-rock bullshit like Evanescence or anyone from a superhero comic book movie soundtrack these days
Maroon 5
Interpol
The Libertines
Eminem
50 Cent - ooh, you were shot 9 times, that's a great marketing team you've got pal
Lloyd Banks - sorry, who the fuck are you again?
I'll add more later...