A well-designed and easy-to-use router, the $200 Cisco Linksys E4200v2 is an improved version of our Editor's Choice from last year. As a dual-band router, the E4200v2 lets you access either the 2.4-GHz or 5-GHz band, and hums along without any speed bumps. The E4200v2 also supports the new IPv6 standard, has a USB port and four Gigabit ports. Plus, Cisco throws in mobile apps that let you configure parental controls. Is this still the best dual-band router? Read on to find out.