top 5 trip-hop and why?

just trying to find out some new trip hop acts so i figured i'd ask what ya'll like and why.

1. massive attack: i really hated them at first ( i was really into Tricky at the time) but now i listen to them everyday. i eally like how each album sounds so different, but still massive attack

2.Portishead: they put me on to the whole trip hop thing. I just wish they had more material.

3.Tricky: but only when he is doing his darker music (premillenium tension, nearly god, angels with dirty faces).

4. boards of canada: not really trip hop but ambient. just rally trip chill music.

5. esthero/zero 7 / bjork: I like how they mix up alot of music and work with different producers.