Hi, what you have to be careful of with research sites is the cost balanced against the benefit you will get...
Best sites will be
when you go into this one under their search tab if you follow pilot project it will take you to a second site which is also good.
all message boards...all you need is a valid email address and a password
they will be at ancestry.com rootsweb genealogy.com
check out genealogy blogs....
Eastmans is great so is Bob's your uncle
At local libraries most of them have access to ancestry.com at no charge
Family History Centres run by the Mormon Church will also have access to partner company they do research with...again no charge..open to all people the above mention family search.org is their home site..
There are new sites on the web weekly so it is hard to keep up with them all
oopppsss sorry almost forgot and this one is good...Cyndi's list