I have found most of the answers to my post with the exception of these,

i) Keyboard. Does this have these keys on the buildin keypad:
~ | ' ` ! " $ % ^ & * ( ) {} [] <> /\

iii) Is there a USB or SDIO card-to-100BaseT/RJ45 (for connection in the office ; no wireless available)

iv) Is Is there a USB or SDIO card-to-GPRS/EDGE available,

v) Is there a USB or SDIO card-to-SERIAL-PORT available,

vi) Will the Bluetooth PAN or DUN work with a Nokia 5310 Xpress Music handset,