2007 was actually an incredibly strong year for movies. As proof of that, here's my list of the Top Ten Films of 2007, as well as a list of 20 Films Worth Watching where each, in a different year, could have easily made the Top Ten.
The problem with "Bruno" is Bruno himself. Compared to Borat - and it's impossible to avoid the comparison - there simply isn't enough to the character to build an entire feature-length film around him.