Power users take note: this week's best laptop deals are crammed with well-equipped muscle machines. Included in our roundup is the quad-core Alienware 14, the 16GB Dell Inspiron 15, and the 7-lb. HP ENVY Touchsmart 17, each with a 1080p screen and dedicated 2GB graphics card. If you don't need the extra power, we've also got deals on the mid-tier Lenovo G410 at $399 and the Z50 at $549.