Curious to see what others' choices are. Plus, it might illuminate folk to some new stuff. I, for one, would be far more likely to investigate something if people are rating it one of their favourites from the decade.
Oh, and sorry if this has been done.
1. The Mars Volta - Deloused in the Comatorium
2. Bjork - Vespertine
3. Dizzee Rascal - Boy in da Corner
4. The Mars Volta - Frances the Mute
5. Mono - You Are There