www.homefair.com
This site has all sorts of tools such as calculators and consumer advice to figure out the differences in the cost of living. Excellent site to do research on all the things you need to know about moving.

www.realtor.com
This is a terrific web site telling you how to get started, offering information on buying and selling as well as all the general information you will want to know about relocating.

www.homestore.com
Excellent site that is very similar to www.realtor .com. Loaded with all kinds of valuable relocation information.