With the RF4CE spec now available, expect to see product announcements coming thick & fast over the following months.
The first of these comes from Samsung, who have just announced they've received ZigBee certification: http://www.eetasia.com/ART_8800584348_499488_NT_4949d7cf.HTM
Meanwhile, Philips have announced the first remote control solution using ZigBee RF4CE: http://zigbee.org/imwp/idms/popups/pop_download.asp?contentID=16386
And if this article's prediction is correct, then vendors should start shipping devices by Christmas 2009, and top 160 million units by 2012: http://www.planetanalog.com/showArticle.jhtml?articleID=216403050
We're really excited by the potential of this new wave of wireless consumer electronics, replacing infra-red technology that's been around for many years.