by Edited by Lisa A. Grimaldi | December 22, 2011

The GruveIf you're serious about making a change in 2012, consider investing in the Gruve. This small device hooks on to your waistband and tracks every move you make, letting you know how close you are to your daily caloric burn goal. Cost: $179.99, which includes a one-year subscription to Gruve Online. (612) 605-7963;