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.
Meanwhile, Philips have announced the first remote control solution using ZigBee RF4CE: http://zigbee.org
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.