I have a work blackberry, but unless your has the blackberry service running on you exchange server then its a good phone with a some apps.
but for email with exhange server its the doggs bits. its just like using outlook, the calender from work updoes live and when you read a email its marked as read on your laptop out look.
so work thinks you are working all the time as you can respond 24/7 and they don't know you sitting in the pub. lol