The few that comes in mind right now :
All Day Girltalk album : free download here
http://illegal-art.net/allday/
Rockstar : Fefe Dobson
We are young : 3OH3
Shiny Toy Guns : Le Disko
MIA : Bucky Down Gun
The Killers : All the things I've one (for long runs or long, low intensity workout)
Franz Ferdinand : Jacqueline
Misteur Valaire : Ave Mucho
Arcade Fire : Wake up (for longs runs or long low intensity workout)
The Go! Team : ladyflash
Clap your hands and say yeah : the skin of my yellow country teeth (for longs runs or long low intensity workout)
Metric : Dead Disco
We Are Wolfes : Teenage, Bats & Anthropology
CCR : Up around the bend
... might not fit everybody though, my music taste is a bit... special