new shooter trap shotgun advice

hi all... i have been hunting and target shooting for the past 30 years. I do pretty well with a sporting shotgun on a trap field. My question is should i purchase a trap gun? What makes a trap gun soley for trap? Can you recommend a few models that would be a good trap gun. My budget is under...

Ladies and Gentlemen, may I beg your indulgence for a moment. I've searched the forums and have found some excellent recommendations, but as new shotguns are being introduced every year, I'm starting this thread that hopefully many will respond to. I've made it one of my goals to have at least...