I am on BES and as far as I can tell BB International provisioning from T-Mobile allowed me to use my BB in UK, The Netherlands and India during my last trip. That incudes all the data at $0.015/KB equating to $15/MB.
With adaptors you can buy the Brookstone one or many time I have found hotels having American outlets.
Happiness is when what you think, what you say, and what you do are in harmony.
Blackberry Bold on AT&T : 188.8.131.521