This page contains links that I have found useful - hope they are to you as well. 

PHILATELIC SOCIETIES, ASSOCIATIONS, CLUBS AND FORUMS 

International Stamp Exchange
Stamp Collecting

STAMP EXCHANGE LISTS

The Stamp Exchange
The Stamp Trader List

STAMP DEALERS 

The following dealers are those that I have used and would personally recommend 

Robert Murray Stamp Shop - Excellent UK mixes available
 

PHILATELIC ACCESSORIES AND RESOURCES

Joseph Luft's Philatelic Resources on the Web        Contains lots of useful information on Philately 
Stamp Albums Web        A great place for album pages
Britannia Albums       World-wide stamp albums and stamps