good links to check out

http://concerts.wolfgangsvault.com/

2000+ concerts from the mid 60's to current though most are 60's & 70's
have to register with an email but its free. you will spend time on this

http://www.besteveralbums.com/index.php

The metacritic of greatest album lists, only issue is that users can make their own lists and radiohead seems to have a lot of fans who make lists