This may get long, so bare with me:
I bought a laptop last September on craigslist (yeah, I know, but hear me out). It's an upgraded Dell Precision M4600, 8GB of RAM, Intel Core i7-2860QM CPU @ 2.5 GHz, an integrated Intel HD 3000 and a dedicated Nvidia Quadro 1000M, and a 256 GB Samsung Evo...