U.S. Cellular is now starting to sell both the Mignight Blue and the Cloud White versions of Google's flagship Nexus 6 smartphone manufactured by Motorola. The carrier is offering the 32 GB version starting at just $199 on a two-year contract while the higher capacity 64 GB version goes for $249 with a contract. Without signing on the dotted line, the 32 GB goes for $660 while the 64 GB sells for $730.