Bought 2 2010's for for my DD's. 33-23. One is a slapper and one hits for power. Both absolutely love them. Great pop and well balanced. I personally have swung both the cf4 and the speed model and feel the synergy has consistantly more pop. The cf4 felt great when you hit it on just the right spot and that was about 1 out of 4 or 5 swings. If the 2011's are as good as last years you're DD will love it.