Hi, I will update my n810 firmware for the diablo, and I want know some things about it before update...

Has Diablo some erro?
It allow download maps for GPS for free?
What is new on Diablo?
Can I install all the aplication of the last firmware?
It have some program that run the msn messenger, or can I instal one compatible ?
which disadvantages?
Which the vantages?

So, thank you everybody!
Bye!