Which PC is good for computer science/gaming,
http://www.amazon.com/Razer-Touchscreen-Gaming-GeForce-graphics-Windows/dp/B012BSDFK0/ref=sr_1_2?s=electronics&ie=UTF8&qid=1456692943&sr=1-2&keywords=razerblade+14
or
http://www.amazon.com/Aorus-X5S-V5-SL1-15-6-Laptop/dp/B01BMJ1J34/ref=lp_9003449011_1_8?srs=9003449011&ie=UTF8&qid=1456294550&sr=8-8
or
http://www.amazon.com/Dell-Inspiron-i7559-7512GRY-Touchscreen-Generation/dp/B015PZ0EHS/ref=sr_1_5?s=electronics&ie=UTF8&qid=1456606434&sr=1-5&keywords=dell+7559
or
http://www.amazon.com/Alienware-AW17R3-8342SLV-Laptop-Generation-GeForce/dp/B015PYYCEK/ref=sr_1_2?s=pc&ie=UTF8&qid=1456377238&sr=1-2&keywords=alienware+17