[razor]

U2
2001
Copps Coliseum
Hamilton, ON

easily the best show I've seen


also (in no particular order)

U2 (2nd show)
CNE
Toronto, ON

Guns 'n Roses
1991 (2nd show)
CNE
Toronto, ON

Steve Earle
1990
Massey Hall
Toronto, ON

Radiohead
1997
Arrow Hall
Toronto, ON

Daniel Lanois w/Brian Blade
2003
Theatre Aquarius
Hamilton, ON

Most every Tragically Hip show I've seen along with some other notables...