Need more info dude.
like...
What are the bow' s cams like? (round wheels, soft, or hard)
What draw weight?
Carbon or aluminum?
Do you want to use a release or fingers?
Using them for hunting or only target?
Join up, get a login name, and ask again with more info.
In the meantime maybe this will help get you started...
http://www.eastonarchery.com/product...t_selector.htm
Good luck!