Smartphones - An acquired necessity
I have used a Motorola E398 mobile phone for the last 6 years. For the last one month, I tried using a Samsung Galaxy S2 smartphone. I have concluded that Smartphones are an acquired necessity and is not needed for most of my workflows. I will not buy a smartphone in the near foreseeable future.
Smartphones gives an impeccable improvement for one workflow - Email. If your work involves time-sensitive emailing, a smartphone is a crucial tool. However, if it doesn't, then you are better off buying a good desktop/laptop and a normal mobile phone, imho. A shortlog of things observed in this one month are: