Lenovo ThinkPad T510 Core i5 laptop

For sale is a used Lenovo ThinkPad T510 in excellent working condition. Machine has minor wear and tear but overall is in great physical condition. Specs: -Intel i5 M520 -8GB of RAM -128GB Toshiba SSD -DVD-RW drive -NVIDIA NVS 3100M graphics -1600x900 LCD -working extended battery -90W AC adapter -Docking station Machine is running Windows 10 Pro and has all the updates installed. Asking $150 or best reasonable offer for this system.