For those that follow reviews of spotting scopes the link below will take you to the March/April 2003 issue of Birdwatchers Digest Scope Review. The comparison chart noted in the article will require the Acrobat Reader.
http://www.birdwatchersdigest.com/optics/scopes03.html
Bob D
http://www.birdwatchersdigest.com/optics/scopes03.html
Bob D