Juniper has announced the end-of-life for the WX platform and the WXC-250 devices. The end of availablity is 5 May 2009, with the end of support at 31 May 2014.
This is the overdue killing off of the WX platform, leaving only the WX100 as the stack controller. The low-end WXC250 is replaced by the Juniper WXC1800 and WXC2600 devices recently announced. (See New Juniper WXC appliances).