Just found this on the Call of Duty Website forums
Not a bad price if you just need a 2nd CD Key for my son so we both can play
Great news – Steam and Direct2Drive will be having a 50% Off sale for the PC version of Call of Duty: World at War!
The half-off sale will run from Tuesday, August 11th thru Thursday, August 13th – check out the links below if you or your friends are interested in picking up a copy:
Direct2Drive:
http://www.direct2drive.com/7130/product/Buy-Call-of-Duty:-World-at-War-DownloadDirect2Drive (UK):
http://www.direct2drive.co.uk/7130/product/Buy-Call-of-Duty:-World-at-War-Download
