QuickLearn has just announced a new training series they are offering:
BizTalk Expert Series are focused BizTalk classes that drill-down into a specific topic. In response to customer requests, QuickLearn has created these classes that are at least two days long, covering topics like BAM, RFID, EDI, BRE, Testing and ESB. These classes are packed with labs and are designed for students who have already attended a BizTalk class or who have been using BizTalk for at least six months or so.  
QuickLearn are currently offering customers who have attended their previous trainings, a 25% discount for the first public delivery of classes in the BizTalk Expert Series.
 For more details go to the QuickLearn site:

http://www.quicklearn.com/class_BizTalk_Expert_Series.aspx

Enjoy,

Ofer