ASI offers this source of information as a service to you our customers. Here are some interesting sites that may be useful to you.
A few folks that use our stages:

DRBIO WEBB Research Group
Home of Fluorescence Correlation Spectroscopy (FCS)
and Multiphoton Microscopy (MPM)
Developmental Resource for Biophysical Imaging Opto-Electronics
Department of Molecular Biology & Genetics - Cornell University
(http://www.drbio.cornell.edu)

Laboratory of Optical and Computational Instrumentation
University of Wisconsin - Madison
(http://www.loci.wisc.edu/)

The Mouse Brain Library (http://www.mbl.org) and
The iScope -- online realtime Internet Microscopy from your browser!
(http://iscope.nervenet.org)
Some educational sites:
microscopy.info - Websites for Microscopes and Microscopy (http://www.mwrn.com)
CELLS Alive! (http://www.cellsalive.com/)
Microscopy Society of America (http://www.microscopy.org/)
Introduction to Optical Microscopy and Photomicrography
(http://www.micro.magnet.fsu.edu/primer/index.html)
Ron Neumeyer's Light Microscopy Forum
(http://www.microimaging.ca)
Bioscience Tools' BIOINFORMATICS LINKS
(http://www.biosciencetools.com/links.asp?link=bioinformatics)