Here are some website links which might be particularly useful to you if you're planning on buying or selling your home:

Mortgage Calculator

http://vow.mlspin.com/default.asp?id=53482&PageType=9&PageId=132617

Boston.Com Real Estate

http://www.boston.com/realestate/

Boston.Com Community Profiles

http://www.boston.com/realestate/communities/profiles/

Daily Market Commentary

http://boston.monstermoving.monster.com/Mortgage_and_Finance/Comment/

CNN/Money Homepage

http://money.cnn.com/real_estate/