*breathing breathing breathing a car for moe*

Red Hot Chili Peppers
Foo Fighters
New Model Army
The Hives
Placebo
Muse
Marilyn Manson
System of a Down
The Levellers
Steriophonics
James
Keane
Radiohead
The Verve

Some lesser favourites I guess, but need-be-musts:

Rammstein
Nirvana
AC/DC
Led Zeppelin (someone needed to say it)
Motorhead
HIM?
Razorlight
Kasabian