there is definitely a difference between bauer and all the other blades. bauer skates come factory with a 9 foot radius while all others (unless you have the tuuk runners) will come with the 11ft runners. this means, the lower radius on your skates, the more agile you will be on the ice
i am using a pair of Graf 709s at the moment but my first pair of skates (the grafs are only my second) were bauers. now when i switched to the graf, my stability on the ice increased and my skating ability improved greatly. i had to use my old bauers for a game a little while back and the difference was night and day. with the bauers i was more agile, and had the ability to make quick turns, and such;