RETIRED: Live.com eBay cashback back at 30%, hurry!
Search "sony ps3" on www.live.com
The ad is on the right hand sidebar instead of the top of the page as before. (edit: now seems to be showing up for some other keywords and at the top of the page)
ty to abevoelker's alert site.
screenshot of the right sidebar ad position: http://i36.tinypic.com/2ni4euf.jpg