For a limited time, receive a 50% instant discount on up to 20 units of ENERGY STAR qualified Globe Enersaver compact fluorescent light bulbs (CFLs) sold by Amazon.com. And your savings won't end with the purchase, because ENERGY STAR CFLs last up to 10 times longer and require 75% less electricity than comparable incandescent bulbs.

Use code MPQM-2CHAB9-8YZ36R at checkout to activate your discount. Limit one use per customer. Promotion subject to change. Offer expires December 31, 2007, or while funding lasts. By redeeming code, customer agrees to release ZIP Code to all contributing parties.

If you use them, it's a great deal.

For example, 4-pack 60-watt equivalent 12.99. No limit on quantity apparently, and free shipping for > $25 orders.
http://www.amazon.com/gp/r.html?R=3S...30_as_txt_2%2F