Good advice so far, particularly, "find a gun that fits you", that can't be said enough (although you probably will not be able to get one that fits perfectly off the rack, get as close as you can). As for where to look, for a target shooter I'd generally say Beretta, and if you don't care for them then look at the Browning's. But, as primarily a hunter either of the "B" guns would be a good place to start, and then either go up or down (line wise) depending on what you're looking for. If you have a clays range near you, there should be several people willing to let you shoot their gun, or at the very least handle it, and they may have some you could rent. You might want to look up Newcastle Hunt Club, they should be able to help you out.

Gordon