My favorites:
10. Psapp - The Only Thing I Ever Wanted
9. Alcian Blue - S/T
8. Secret Machines - Ten Silver Drops
7. Islands - Return to the Sea
6. Calexico - Garden Ruin
5. Pearl Jam - S/T
4. Jose Gonzalez - Veneer
3. Gnarls Barkley - St. Elsewhere
2. Editors - The Back Room (US version dropped in '06)
1. Middle Distance Runner - Plane in Flames
Possibly great, but haven't listened to them enough yet: White Whale, Thom Yorke, Camera Obscura, Cex, Sonic Youth, Bruce Springsteen, Aloha, Muse.
Albums I haven't heard but would like to and are probably very good: The Streets, Belle & Sebastian, Clearlake, Arctic Monkeys, Jenny Lewis, Neko Case, Amy Millan, Cat Power, Flaming Lips.
Disappointments: Morrissey, Wolfmother, Tool, The Raconteurs