Lot 18 is a daily deal site that specializes in wines! They also have a few other gourmet deals, but their main focus is on wines.
If you like wine, sign up for Lot 18 to get access to all of their great deals.
Here's an example of a current deal:
2006 Medlock Ames Bell Mountain Ranch Merlot for $24.99 (down from $42)
Go here to sign up.