My list of must try bullets thus far includes Barnes and the XTP's everyone is talking about. If I can get a good group with either of those I probably go that route.
One more note about Powerbelts, I have noticed that obviously they dont have to many fans around here, but out of 95 reviews on Cabela's webpage they average a 4.4 out of 5 stars for the hollow points. There must be quite a few people out there who like 'em right?