The Aero 15 is the best laptop I've ever tested from Gigabyte. It's a reasonably portable 15.6-inch laptop with great internals (Core i7 quad core + GTX 1060 + M.2 SSD), making it suitable for both workstation and gaming use.
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips