To be a different voice I've currently got a Nokia e61i and use the built in pull service (scheduled to pick up every 30 minutes between 8am and 6pm) via my Vodafone contract.
If you're looking for a comparison I'd suggest checking out the new Nokia e71 -
http://europe.nokia.com/A41146122
I haven't used a blackberry for a while now but that thumb wheel drove me nuts!!!