Blackberry via work. Its keyboard isn't as good as the Psion 5mx's (nothing is, yet, wail - it's my top gadget wishlist item!).
But I'm a huge keyboard shortcuts (or hotkeys) fan. I'm still more productive with a keyboard, even a small one, so I always like finding out about hot keys.
I found these Blackberry keyboard shortcuts which are very handy indeed - that page gives useful descriptive tips on the functioning of the Blackberry keys, although without any pics.
I also found another site, Blackberry Tips, which lists hot keys for when you're:
- viewing emails in the message list
- viewing an individual email - navigation with the keys etc
- in the calendar / diary / scheduler
- using the address book for contacts
- viewing a Word document or an image
- in the task list
- viewing a memo.
As well as generic Blackberry hot keys, that site also lists keyboard shortcuts for the Blackberry Pearl 8100 e.g. messages.