If you can save up another $100 I would look at the Super Snipers from www.swfa.com
For a quality long range scope, very hard to beat. Will take the 308 Win out a LONG way with the vertical adjustment the Super Sniper offers. The 10x model has over 100 moa of vertical adjustment.
For the money very hard to beat for a long range scope. This all depends on what you want to do with the rifle though. For low light shooting they are not the best but the 10x is not bad at all.