Sure, though I suppose it depends on what you'd classify as 'popular." not in any particular order beyond the first one:

The National
The War on Drugs
Modest Mouse (saw them a few weeks ago)
Death Cab for Cutie
Typhoon
Built to Spill
The Killers
Arcade Fire
Ryan Adams (not Bryan)
New Order
Third Eye Blind
Cage the Elephant
Bruce Springsteen
Our Lady Peace
Silversun Pickups
Vampire Weekend
Interpol