brandnew - play crack the sky

anything acoustic by TBS - prefersably Cute Without the E

Straylight run - Existentialism on prom night

finch - again, anything acoustic by them is awesome

Long since forgotten - some sort of meaning (acoustic obviously)

and again...anything acoustic by Our Lady Peace

Something corporate - Constantine

Die, Emperor! Die! Acoustic CD

their songs are awesome and they have a few that are acoustic. Warning you though, getting their acoustic CD is almost impossible

Also try City on Film. Its just Bob Nanna from Braid playing on an acoustic guitar. Here's his myspace account http://www.myspace.com/thecityonfilm

oxygen- willy mason

seven years- saosin
i second thrices suggestion for pardon me by incubus, thats a great song

Otis Redding - Aint no sunshine when she's gone
PJ Harvey & Sparklehorse - Its a wonderful life
Leonard Cohen - Sweet Jane
Jefferson Airplane - Good Morning Vietnam
Camera Obscura - Before you cry
Neil Young - My My hey hey Old man/Needle and the damage done
Micah P Hinson - Don't you
Joni Mitchell - River
Turin Brakes - anything from the optimist lp
Cat power - pretty much anything
Nick Drake - " "
Nick Cave - " "
Roy Orbitson - " "
Grandaddy - " "
Kings of Convenience - " " (First album only, second one was pretty poor)
Bright Eyes - " "
Jeff/Tim Buckley - " "
Belle and Sebastian - " "
Tindersticks - " "
Jim O'rourke - Women of the world take over
Beach Boys - God Only Knows
Simon and Garkunkel - America
Smog - Cold Blooded Old Times
Stealers Wheel - Stuck in the middle
Broken Family Band - The King Of Carrott Flowers pt 2&3

I'll stop there...

saosin-seven years
finch-letters to you