http://galacticasitrep.blogspot.com/ - these guys generally do a round up of the available [youtube et al] preview clips.
Does anybody not love Romo Lampkin?
What a guy.
Looks like we're heading back to the final five story arc now. The last few were quite good but they kind of make Zarek into a two diminsional bad guy a bit. less interesting to the way he used to be portrayed.