5. Alienware Area-51 m15x-R1 Okay, so it's very expensive. However, this Alienware unit is the most powerful notebook you'll find for playing games and watching high-definition movies. It's got all the necessary ports for connecting to a TV and home theatre system, but the stand-out features are its Blu-ray recorder and 512MB NVIDIA GeForce 8800M GTX graphics adapter. Read the full review here.