I've spent a day yesterday researching playing around with my i-mate SP3.
I spent around an hour chatting on MSN Messenger and I have to say this worked well. The only problem was using the keypad to type messages which still takes me quite a long time, even utilising the T9 modes.
I found the BBC news web site had an excellent section for mobiles. I used this to keep track of the cricket score between Australia & England. The web site was pretty easy to navigate and I think I shall be using this web site as my main news site.
I set up my vbCity email account on the mobile and receiving of emails seemed to work pretty well. I am still having some problems sending emails and am working on sorting this out today.
The cost of using a mobile on the internet over here is pretty reasonable. I used up 70 rupees in total yesterday and that included a couple of 2 minute phone calls and half a dozen text messages as well as the internet access.
I used the built in camera and took a picture of the view from our balcony, where all this research was taking place. (see below). Using the camera is pretty easy as is transferring images to my laptop.

I personalised the phone a bit by adding a keypad locking code so that the keypad locks after a minute of inactivity.
The battery life seems pretty good as the battery was around half used despite all the activity going on with the mobile. I charged it this morning in just a couple of hours.
One problem I am having is that numbers calling me are not showing up when the phone rings. It just says unknown so I need to look into why this is. Conversely when I ring my wife's number my mobile number does not show up. I have correctly set the Caller ID as per the instructions in the manual so I am assuming I may need to speak to DialogGSM with this issue.
I did get the voice activation working within just a few minutes. I now just press a button on the side of the i-mate, say my wfie's name, Helen, and I can be speaking to her within a few seconds. Cool :-D
The handset itself is pretty light, the screen is easy to read and the navigation to the various facilities such as internet, email fairly simple.