IBM all the way. The T Series or Titanium Series. Comes with Titanium Bezel and reinforced side walls. Not the fastest notebook but definitely the most quality, reliable and durable. Service and support is pretty good. The center is located on Ground Floor of Plaza IBM TTDI.

I have used

TP755CD - 486DX4-100
TP760XL - Pentium 166MMX
TP770 - Pentium 233
TP560Z - PII 233
TP570 - PII 333
T20 - PIII 650
T21 - PIII 800
T23 - PIII 1.13

Currently using Compaq Evo N610C 2.0 Ghz. Sigh. Not impressed. I miss my Thinkpad.