Computer - Lenovo ThinkCentre - Starting at in Newton, KS

I have four Lenovo/IBM ThinkCentre computers for sale.Computer 1 - Intel Core2 Duo Processor, 4 GB Memory, 250 GB Hard Drive, 19" HP LCD Wide Screen Monitor, Keyboard, Mouse, Windows 7 - $150Computer 2 - Intel Core2 Duo Processor, 4 GB Memory, 250 GB Hard Drive, 19" eMachines LCD Wide Screen Monitor, Keyboard, Mouse, Windows 7 - $150Computer 3 - Intel Core2 Duo Processor, 3 GB Memory, 250 GB Hard Drive, 19" LCD Monitor (not wide screen), Keyboard, Mouse, Windows 7 - $130Computer 4 - Intel Core2 Duo Processor, 2 GB Memory, 250 GB Hard Drive, Keyboard, Mouse, No Monitor - $100All 4 computers have Libre Office and Avast Anti-Virus installed. I can toss in a 17" CRT Monitor on computer 4. (Large monitor, not flat screen)