Overall I liked it, mostly because it was nice to see more BSG. There were some nice character pieces in there, but on the whole it doesn't really add anything new to the saga.
I guess I'll watch it again sometime this week (probably weekend) and I may have more comments.
I really think this was solely intended for fans of the show. If you haven't seen the show, you won't really understand much if anything of what is going on.
(Now if amazon.de et al would just get around to allowing me to order the DVDs ...)