I know a lot of folks here on TUG sell on Ebay. Tomorrow (1/18) Ebay is having a 20-cent seller special for both auction and fixed-price listings. Not good on timeshare listings (or any real estate or Ebay Motors items), unfortunately! But if you have other Ebay stuff, you can check out the details on the announcement board:
http://www2.ebay.com/aw/core/200701.shtml#2007-01-17164909
http://www2.ebay.com/aw/core/200701.shtml#2007-01-17164909