Reply to vci 100 black - just a few questions...

I recently bought it and now I have some questions as Im tooootally confused, there is so much info goin around.

1. How can i find out which firmware version do i have
2. Do i really need that chip that i read about to upgrade it ?
2.1. do i need an upgrade anyway ?
3. what is the best mapping for me to use?

MAny thanx to all and i hope someone will answer !