I just got my first Blackberry Device this week...
I have always not been a fan of these devices because I thought I just didn't need one because I could get my email once I was on the internet...
But I have to say, these things are pretty addictive. I find myself responding to emails while I'm driving down the road...(Not the safest thing to do either)
I think the technology the Blackberry uses is behind it's time based on what Microsoft is offering, but I do like the Blackberry device.