buy a used one, imo best bang for your buck. Just keep your eyes open and jump on a good deal when you see one.
There are always people getting out of it because of the shot price or loose interest or pass away.
Yesterday a 12ga grabber popped up on GP for only 150 bucks. I did not need it but it was a good deal for sure. Got sold of course.
Buying used is ok if your experienced enough to know what you're buying, I've never reloaded shotshells so I think for me buying new is the way to go.
I'm kinda leaning towards the Sizemaster and it's 550.00 at Hummason (thx stubblejumper), not to bad I guess.