This place has good ammo prices, and shipping cost isn't bad. No sales tax if you're out of state. Just bought some 9mm American Eagle (Federal) for target shooting for @12.22 a box of 50.
http://www.sportsmansoutdoorsuperstore.com
9mm Self Defense Ammo
http://www.sportsmansoutdoorsuperstore.com
9mm Self Defense Ammo