I wish I had personal experience to share on the subject, but it's all vicarious.
My own recommendation is to go see what Edmund Scientifics has to offer, http://www.scientificsonline.com/, because I have always coveted one of their Astroscan telescopes, and because I've been always impressed with the variety and quality of their catalog, and because they've been supplying this stuff since someone might have bought me one. -- rec --
============================================================ FRIAM Applied Complexity Group listserv Meets Fridays 9a-11:30 at cafe at St. John's College lectures, archives, unsubscribe, maps at http://www.friam.org
