Title pretty much says it all... buy 2400 points of content (games, DLC, etc.) and receive 800 back.
http://www.xbox.com/en-US/press/2010/0930-thankyougift.htm
I was about to buy the disc of Plants vs Zombies, but this may change my decision.
Details:
"Purchase at least 2400 Microsoft Points worth of Xbox LIVE Arcade and/or Game add-on content between 12:01 A.M. Eastern Standard Time (EST) October 1 and 11:59 pm EST October 31, 2010 and receive 800 Microsoft Points added automatically to your membership. Limit one gift per person. The free points will be deposited automatically into your Xbox LIVE account after the end of the promotion period. Please allow four weeks for delivery, on or around November 30, 2010."
http://www.xbox.com/en-US/press/2010/0930-thankyougift.htm
I was about to buy the disc of Plants vs Zombies, but this may change my decision.
Details:
"Purchase at least 2400 Microsoft Points worth of Xbox LIVE Arcade and/or Game add-on content between 12:01 A.M. Eastern Standard Time (EST) October 1 and 11:59 pm EST October 31, 2010 and receive 800 Microsoft Points added automatically to your membership. Limit one gift per person. The free points will be deposited automatically into your Xbox LIVE account after the end of the promotion period. Please allow four weeks for delivery, on or around November 30, 2010."