'Comic-Con Episode IV: A Fan's Hope' REVIEW
http://shareddarkness.com/2012/04/06/comic-con-documentary.aspx
^ Nice-ish review here calls it the movie equivalent of a rock tour T-shirt, but for Comic-Con fans. Says it also misses a chance to dig a bit deeper, though, which I think is kinda fair. Also points out that the movie in available in different VOD formats.