What are you looking to do with your rifle?
If you are truely new to the whole thing, I reccomend you go to a CMP shooting match. You can rent a weapon from them. You will be paired up with a coach, taught to shoot properly and accurately, and at the end of the day they will give you a certificate with which you can buy an arsenal kept M1 Garand for $250 or so. Great deal on a great rifle.
http://www.odcmp.com/