This is available on the Connect website now for beta testers, so I imagine it will be available via other channels (MSDN, MVLS, TechNet) shortly, in a similar timeframe to SP1
Cheers Ken ~ Upgrade to Next Generation Antispam/Antivirus with Ninja! ~ ~ <http://www.sunbelt-software.com/SunbeltMessagingNinja.cfm> ~
