Sum 41....Ally Pally
FFAF.....Roundhouse and a bunch of other small to standard academy venues
Machine Head....arenas
FFAF.....Norwich uea, Birmingham 02
Pantera
FFAF
Billy Talent....sub second Slam Dunk, smiling sized venues mostly on tour.
The Used....Kentish Town Forum similar to Roundhouse.
Bit different! But this is on a non festival biased view.