...I see your in Pensylvania and if I remember right, they don't allow you to use an autoloader for hunting.
That would possibly make pest control with one questionable in your state?
I guess if you're in town, I wouldn't recommend the semi-auto. I live out in the country and don't worry too much about the "rules" when I'm controlling pests. (just wanted to say that I do follow the rules religiously when I hunt though!)
The NEF single shots are a lot of bang for the buck. For Groundhogs (and they are tough) I would reccomend the 22 Hornet....
That's exactly what I have except with a Bushnell 4X scope. Mine has the bull barrel on it, so it's not a good toter for too long though LOL!