If you are looking for a gun that is ver accurate and doesn't require alot of mantenance. I would try to get your hands on a Remington Nylon 66. I have one, and it is the best .22 i own. It's a semi-auto and loads from the butt-stock, so there is no magazine. All you do is drop them in. I have put about 5000rds through mine in the past 2yrs and it hasn't jambed once. Oh. and mine was made in 1962.

Here's one:
http://gunbroker.com/Auction/ViewItem.asp?Item=91322442