Video Test: ClipShack
<a href="http://www.clipshack.com">ClipShack</a> seems to be a pretty decent service. So far I like all of the features that I've seen. It's relatively simple, decently quick, and has a nice amount of space available for uploads.
<embed src="http://www.clipshack.com/player-cs-em.swf?key=FDB5B6295A4F69F7" width="430" height="354">
</embed>