The Microsoft Security News letter for this month (May 2010) has a quick note on
Forefront TMG Book under Security Events and Trainings section. Besides that there are much more content including some great upcoming webcasts for IT and Security professionals

Make sure to check it out at
http://technet.microsoft.com/en-us/dd162324.aspx

Thanks Tim Rains and Heather Poulsen for the note.