If you're going to shoot clay games such as skeet you'll want an Over and Under double NOT a side by side double.
Berreta is fine, so is Browning or even Ruger for that matter. Go to a well stocked store and feel them. See what he thinks feels best to him. That's the one to buy, not what me or someone else might prefer. Shotguns are a very personal thing. Fit and feel are every thing if you want to hit what you shoot at. Just because one feels great to me doesn't mean it will to another.
