I have been using my Kyocera 7135 Smartphone with Palm integration and I love the phone.

But I am curious if an always-on email device might not be fun to try out.

Do you recommend the Sidekick, or the Blackberry, or ... ?

I would prefer something that is unlimited, easy to set up without a monkeying with a server, and that works overseas -- all of which suggests T-mobile.

What is your advice? Thanks!