YouTube's huge dominance over a market that includes a wide variety of different video sites, each with different communities and feature sets, probably does not bode very well for innovation in the sector. We'd love to see more people checking out innovative services like Metacafe, Blip.tv and others. We wrote about the top video content producers in the world yesterday, many of which are bigger in places other than YouTube. Smaller up and comers outside of YouTube deserve some attention, too.