I saw this on an online dealers site. When I inquired, they said they were only allowed to purchase ten of these from Festool. If this is something you want in N America, I suggest contacting your preferred dealer quickly as these are bound to sell through in about 10 seconds if dealers can only get so few...
As an alternative, check out the MFT Clamping kit from Veritas / Lee Valley.
http://www.leevalley.com/US/wood/page.aspx?p=70681&cat=1,43838,43845