Richard,

For memory try comparing price at these vendors.
Most sites have a step-by-step process to determine
exactly which memory module your laptop requires:

Coastal Memory
http://www.18004memory.com

Crucial Technology
http://www.crucial.com

CDCE
http://www.cdce.com

Control Memory
http://www.controlmemory.com/index.asp

Kingston Technology
http://www.kingston.com/prod/memory.htm

Bill Morrow (Thinkpad memory)
http://www.thinkpads.com/start.htm

Regards ... John