I don't want to sell my Contender, but have you considered a 7-30 Waters? There are a couple on gunbroker at very reasonable prices, and that caliber would seem to be a good fit for your intended purpose.
http://www.gunbroker.com/Auction/ViewItem.aspx?Item=450343062
http://www.gunbroker.com/Auction/ViewItem.aspx?Item=450052164
A bump for you at any rate...