I didn't get to spend as much time on this as I wanted this year so I expect I have missed quite a few songs that I enjoy. I did have brief freak out halfway through when Firefox quit on me, but I managed to get this all done in 3 hours (a miracle for me)
My shortlist (cut straight from the web sorry for the formatting)
Pendulum - ABC News Theme {Remix}
Adrian Lux - Teenage Crime
Arcade Fire - The Suburbs
Cee Lo Green - Fuck You!
Cee Lo Green - Bright Lights Bigger City
Chemical Brothers, The - Wonders Of The Deep
Cloud Control - There's Nothing In The Water We Can't Fight
Crystal Castles - Baptism
Crystal Castles - Not In Love {Ft. Robert Smith}
Custom Kings - Sunday
Daft Punk - End Of Line
Daft Punk - The Game Has Changed
Dan Black - Symphonies {Ft. Kid Cudi}
Florence & The Machine/Dizzee Rascal - You've Got The Dirtee Love {Live}
Andy Bull - Dog {Ft. Lisa Mitchell}
Hot Chip - I Feel Better
Kyu - Pixiphony
Flight Facilities -Crave You {Ft. Giselle}
Gotye - Eyes Wide Open
Yolanda Be Cool/DCUP - We No Speak Americano
Nicholas Roy - It's All My Fault
Grouplove - Colours
Professor Green - Just Be Good To Green {Ft. Lily Allen}
Phrase - Never Fade
M-Phazes - Goodbye Gravity {Ft. Muph & Plutonic/Candice Monique}
LCD Soundsystem - I Can Change
The Final 10.
Pendulum - ABC News Theme {Remix}
Cee Lo Green - Fuck You!
Crystal Castles - Baptism
Daft Punk - The Game Has Changed
Andy Bull - Dog {Ft. Lisa Mitchell}
Hot Chip - I Feel Better
Kyu - Pixiphony
Gotye - Eyes Wide Open
Yolanda Be Cool/DCUP - We No Speak Americano
Nicholas Roy - It's All My Fault
My pick for the top song of 2010 is Cee Lo Green - Fuck You!