Just noticed there's about 3 threads asking this question... Personally, based on experience with other Bushnell 3200 scopes and a budget I would choose one of a few scopes from Bushnell. The 3200s, 2-6x32 ($320, 32-2632M), 1.5-4.5x32 ($246, 32-1545M or the 4200 1-5-6x36 ($459 32-1636M)
These are designed to be used on shotguns, and are suited to the recoil, etc.