recommend taking a look at the Browning Sporting Clay Models. These guns are as good as they get and would be a good invesment. Take a look at their current models at the link below.
Stock and sights.
This is an Over/under Sporting Clay Shotgun. XS is the model type
100-1000 or more depending on specifics
Skeet International Trap Continental Trap Sporting Clay Now there are more "involving" shotguns but these are primary only shotgun competitions.
The katana would make a good display piece, but there is not much else you can use it for, unless you want to become a samurai. On the other hand a shotgun could be used for sporting (clay pigeon, target shooting), hunting or even defensive purposes. If you want a good display piece- Katana. If you want something you can use- shotgun.
50-300 usd
Its a kind of shooting game
Shoot sporting clay videos can be found at YouTube, International Sporting Clays, Clay Coach Online, Quiet Dust Shooting, Popular Mechanics, and Bass Pro Shops.
'Remington' is a firearm maker who makes many kinds of firearms. Their model 1100 Sporting 410 shotgun would be good.
Whatever your favorite shotgun is. Personally i have an over-under 12-gauge shotgun with a 29 inch barrel. Works well for duck hunting as well.
This is a kind of shooting games. World sporting UK provides clay shooting games
hunting targets and history of the shotgun