Groupalicious: $10 for $20 to spend on Overstock.com

Groupalicious is offering a $20 credit on Overstock.com for $10 today.  I buy these half-pricers whenever they become available because Overstock.com is such a versatile site.

Here's the usual Fine Print:

• Credits cannot be used on this offer.
• Limit per person: 1
• Promotion Expires on May 22, 2012.
• Promotional value may only be redeemed through May 22, 2012, by 11:59pm MST, except where prohibited by law; the cash value does not expire.
• Limit one voucher per person, per transaction.
• Cannot ship to P.O. boxes; certain items cannot be shipped to Alaska or Hawaii.
• This offer applies to U.S. orders only.
• May only be used to purchase goods or services under the "Shopping" tab.
• May not be used to purchase gift cards, cellular telephone plans, or for international orders.
• Offer excludes orders comprising products from Books, Music, Movies, Games, and Electronics categories, as well as items within the Cars, Travel, Insurance, and Gold Redemption categories.