My friend Amanda bowls, and she just bought a ball at Sports Authority. I would look into a place like that.

Otherwise...
http://www.fastlanesproshop.com/?source=Overture
http://www.bowlersphere.com/?source=Overture
http://www.mgbowling.com/
http://www.bowling.com/shopping/balls.asp
http://www.bowlersparadise.com/shop/shoes/
http://www.bosproshop.com/links.htm
http://www.blockbusterbowling.com/
http://www.betterbowling.com/custome...31ccdfe9864b84
http://www.300bowl.com/bowling/bowli...ge=300/CTGY/BB
http://www.gibell.com/bowling.shtml