Let's see...
Oasis
Stone Temple Pilots
Dave Matthews Band
Bush
Veruca Salt
Kiss
Nine Inch Nails
A Perfect Circle
Jimmy's Chicken Shack
Plus I've been to several HFStivals where 20+ bands play all day.
I can remember seeing...
Bare Naked Ladies
Mighty Mighty Bosstones
Crystal Method
Green Day
Red Hot Chilli Peppers
Blink 182
Lit
Sugar Ray
Staind
Fuel
Incubus
Good Charlotte
Saliva
Linkin Park, Hoobastank, POD ~ next week
There are a lot more, but I can't remember them all! It really helps when you date a guy in a band for 3 years...you get to go to a lot of concerts!
