i vote for IBM Thinkpad

company has 2 notebook

IBM Thinkpad P3 500mhz bought 7yrs ago - working smoothly and mainly use for business presentation + surf net, the Notebook still looks solid.

Acer Travelmate Celeron x gig bought 2yrs ago - virtually all application lag for long-long, call up supplier and they recommend add memory, still same. This week send back for service for the third time.