02-27-2006, 11:13 AM
Join Date: May 2005
Location: Waterloo: Home of RIM
Carrier: Bell Mobility
Post Thanks: 1
Thanked 4 Times in 3 Posts
Have you visited the Blackberry website and queried BES 4.1?
Off the top of my head, one of the biggest jumps you'll see (coming from a way older version) is complete wireless sync with Exchange (calendar, contacts, tasks, etc). And SMS/PIN logging.