If you were planning on getting people California Pizza Kitchen gift cards for the holidays today is the day to buy!
Through the CPK Facebook page  they made this announcement:
We are bringing back our Double Rewards Card promotion for our Facebook Fans! Tomorrow, Wednesday, Dec. 7, (which is now today) all California Pizza Kitchen Gift Cards (eGift Cards included!) purchased ONLINE ONLY at cpk.com  for $100 or more during 11:00 a.m.-12:00 p.m. PT and then again between 2:00 p.m. – 3:00 p.m. PT will receive $40 in CPK Rewards Cards.
I went online and looked around and it appears the $40 in Rewards must be used between January and March 2012 so you would need to be sure you will be going out between those times. The gift cards can be used whenever you would like.