if you want to spend less and it has to be Gander Mountain...
http://www.gandermountain.com/modper...ID=4004&r=view
use the extra time to practice. Walmart will have the choke tubes on sale after season ends...
Mosberg is less expensive. Like I said earlier I had one of the combo sets of the 500, years ago before going to the 1187. It was ok to hunt with just slammed you a little harder when you pulled the trigger.
One way or the other go get the feel of them. Shoot them if you get the chance. Then you really have an idea what you're buyng.