Here are the links of websites I tend to visit on a regular basis, and some that have helped me over the years in this hobby.  I hope they are helpful to you.

Toysrgus.com - Probably the most important location on the Internet regarding this hobby.  Run, don't walk.
Rebelscum.com - While geared to more modern toys and news, there is a great place to hang out on the forums.
12back.com - Site run by a few friends of mine.  Sporadically updated, but chock full of information.
Cloudcity.com - Tom Derby's retail establishment.  If you want rare toys, this is the man to see.
Toychamber.com - Todd Chamberlain's retail website.  This guy is probably THE nicest guy out there...and he happens to get some great stuff in at great prices.
OSWCC.com - Ohio Star Wars Collectors Club.  'Nuff said.
PSWCS.com - Pennsylvania Star Wars Collecting Society.  I was a member of this club before my move to Ohio.
CreatureCantina.com - Just because...