Handy..

[gremlin]

http://www.modemnet.net/downloads/icq/

Archive of old (ie, no banner ad) versions of ICQ.

 

[Sir Frizz]

hmmmm...useful

 

[]SK[]

cool
i need to put icq back on at some stage too

 

[old.Jas]

Old Proggies

Practically every version of every browser made -
http://browsers.evolt.org

Old Versions of other stuff -
http://www.oldversion.com