Zillion

Hi guys, maybe this is the zillion time you see a question like this, so thank you for even opening the thread. I'm looking to buy an used laptop, and i've narrowed my options to this 2: i5-2450M / 640GB 5400 / 4GB 1333 / 14." GT 540M i7-2670QM / 750GB 5400 / 4GB 1333 / 15".610M They are both...