I've tweaked my Top 20 songs of all time somewhat:

Ben Folds Five – Selfless, Cold, And Composed
Big Wreck - Oh My
Blue Rodeo - Trust Yourself
Clarknova - Johnny Under
Collective Soul - Precious Declaration
Death Cab For Cutie – Soul Meets Body
Foo Fighters - Hey, Johnny Park!
Gnarls Barkley – Crazy
Harvey Danger - Flagpole Sitta
Jimmy Eat World - Bleed American
Modest Mouse - Bukowski
Oleander - Why I'm Here
Our Lady Peace - One Man Army
Pearl Jam - Black
Perfect Circle, A - 3 Libras
Seven Mary Three - Cumbersome
Tragically Hip, The - Vapour Trails
Verve Pipe - Villains
Watchmen, The - Lusitana
White Stripes, The - Seven Nation Army

Out:
Killers, The - Mr. Brightside
Soundgarden - Blow Up The Outside World
Tragically Hip, The - Courage

In:
Pearl Jam - Black
Tragically Hip, The - Vapour Trails
White Stripes, The - Seven Nation Army