These are just a couple of links so sites that I found very usefull to me.. Hope that you like them..

http://www.dougknox.com
http://www.regedit.com
http://www.rshweb.com/Win95/win95.htm
http://www.fiveanddime.net/notes.html
http://www.webattack.com/freeware
http://www.winguides.com -- > Type "Registry" in the search box in the top left hand corner.

feel free to add more links ...