I have owned this phone for a couple of years now. Bought it off the Nokia website before it was readily available here. This replaced a well used 6200. This phone is very nearly bullet proof! I have dropped it (repeatedly - though not on purpose) I am a believer in simplicity, no flips, no sliders, in-short not many moving parts. The E51 has great call quality, a very functional wifi feature and browser, and a very good music playback sound (when paired with a good bluetooth headset or even with the wired earphones that come with the phone. I don't use it much for data apps (because At&t's pricing)unless I have a wifi signal. As other reviews have mentioned, it does get fairly warm with extended use, but I usually have it in a holster and use a bluetooth earpiece, so it isn't a factor for me.