Slim, adaptable, and superbly designed, the bagless Dyson DC44 Animal is the best handheld vac we've tested. Five attachments (including a motorized head with extra oomph) help it deftly devour dirt, dog hair, and debris on any surface. Its lithium-ion battery lasts longer than its claimed 20 minutes per charge, so you'll tire of cleaning up before it does. [$400; dyson.com]