Video Bomb differs from iFilm, YouTube and Google Video in that it is an aggregator of video from all over the net. Like digg, but for video:

Video Bomb is a community site where people filter up the best videos on the internet. It’s [sic] creates a democratically chosen flow of internet TV.

Except right now it seems to be sourcing almost entirely from jd.blip.tv and Revver. Still, the layout is nice and uncluttered. Worth a bookmark.