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There may be a commercial package that can do the few things you want to do 
very well in a user friendly manner.

But if you want flexibility in a general package and you have access to an 
amateur or better programmer, then ImageJ really is the best thing out there.
____________________________________________________________________________
Michael Cammer   Analytical Imaging Facility   Albert Einstein Coll. of Med.
URL:  http://www.aecom.yu.edu/aif/