I've got an AF-10 and it is great. It's a pneumatic, which is the only down-side. It's a powerful and accurate piece, but charging it takes a few seconds between shots. Maybe try one out. I'll be selling mine shortly, so will list in general sales when i'm allowed (perks of being new!!).
Beretta 686 Silver Pigeon II 12G, CZ 452 .22LR with Scope & Moderator