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Well, course 6292A does cover imaging, although it is not "focused specially on imaging". See the course outline:
http://www.microsoft.com/learning/en/us/Course.aspx?ID=6292A&locale=en-us#tab2
Check out Aardvark Training and Consulting, they specialise in a number of training courses, and also have MCSA Windows 7 training.
http://www.aardvark-training.com/products/details/1739/