If you can use an Xbox Live Gold card, you can score a great deal right now! Get a 12 month card for $39.99 and shipping is free!
Another option would be to go through Buy.com and this is priced at $37 with free shipping.
This doesn’t come down to this price often so best to grab it while you can!
This week it is also $39.99 at bestbuy, according to my sale flyer.