I got a Lenovo L520 with a sandy bridge i5-2410m, 4GB RAM about 1 year ago refurbished from Germany. I paid 97 Euros for it, great value for money I would say.

I got a Lenovo L520 with a sandy bridge i5-2410m, 4GB RAM about 1 year ago refurbished from Germany. I paid 97 Euros for it, great value for money I would say. It's been rocking Arch Linux with i3wm ever since, and never had any problems with it. I used it mainly for programming.