Best smartphones

You're intelligent enough to know that carrying around a cell phone and a PDA is inefficient. Lighten your load by picking up an all-in-one device. Whether you use it as an organizer, an e-mail device, a cell phone, or all of the above, getting a smartphone is a smart move. Here are our top five picks for these phone-PDA hybrids; we've picked one for each major carrier, as well as one unlocked smartphone. This list will be updated regularly, so sign up for our On Call newsletter. To find ringtones and accessories for these phones, plus advice and tips on how to use them, check out our cell phone ringtones, accessories, and help page.