"OVF",
If you have a pro shop at your lanes and they are "worth their salt" and trustworthy, I would consult with them first. If you still have a ball of your own, have them watch you and your style ... most shops can fairly evaluate and make recommendations based upon what they see.
Also, does your center have a certified coach
If so, check with him/her first for a fair evaulation too.
My 2 cents ... good luck !!!
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Man, I LOVE this game !!!
Robb in O'Fallon, IL (near Scott AFB)
LAYBZZ74@AOL.COM