IBM ThinkPad A31 P-IV 2.0GHz $499.00 IBM Lenovo Thinkpad R40 Laptop Pentium M Centrino 1.3GHz $479.00 IBM Lenovo Thinkpad R51 Laptop Pentium M 1.6GHz $489.00 IBM Lenovo Thinkpad T42 Laptop Pentium M Centrino 1.6GHz $529.00 IBM Lenovo Thinkpad T43 Laptop Pentium M Centrino 1.86GHz $599.00 IBM Lenovo 3000 C200 Laptop Celeron M 1.73GHz $599.00 IBM Lenovo Thinkpad G41 Laptop P-IV 3.33GHz $599.00 IBM Lenovo Thinkpad R51 Laptop Pentium M 1.7GHz $539.00 IBM Lenovo Thinkpad R52 Laptop Pentium M 1.86GHz $599.00