BizTalk RFID v1.1 (i.e. BizTalk RFID Mobility and Standards Pack) is currently on Technology Adoption Program on the connect website.
The Microsoft RFID team have been working on this for quite a few months and it is the perfect addition to the current RFID solution. Mobile devices and RFID go hand in hand with applications like asset tracking and many others.
Have a look at this post by the Connected Systems Chilled Out Blog for more details on what it has to offer.
