I've only just started going to concerts, so my list isn't really long:
Green Day - Music 6, atmosphere 9
Jimmy Eat World - 1
the Rakes - great!
Franz Ferdinand -
We Are Scientists - great show!
Kaiser Chiefs - Less than I expected
the Chalets - yaaaaawn
We vs. Death - great!
Okploide - wonderfull!
Panic At The Disco - Nice dancing, but disappointing.
Clueless - ok
Pretty Girls Make Graves - Nice show, nice atmosphere, nice nice nice.
the Kooks (2) - firste time: yaye! second time: naye! (too many people)
Misty's Big Adventure - <3333333333
the Pipettes - Yawn.
Last Man standing - Yawn.
the Maple room - ok...
Death Cab For Cutie - Relaxed, great music, and a lovely atmosphere, loved it!
Hey, that's a longer list than I expected it to be...
And I forgot my most recent ones:
Pennywise - bad places, great show!
Yeah Yeah Yeahs - really entertaining.
Arctic Monkeys - Better than I expected, much better!
Muse - Need I say more?