Attention XBL Silver members: if you've been holding out on upgrading to Gold, now's the time to do it.
For a limited time, you can get a Gold subscription for $39.99 per year, a $10 discount.
According to Microsoft, the promotion "gives Silver members a special opportunity to upgrade to the full benefits of Gold membership at a reduced price for a limited time."
Amazon.com is also offering 13-month subscription cards for $39.99.
Hit the link for more.