Originally Posted by ebooost

I havent actually installed my unit yet..
On the outside is a sticker sayin the SW version in 0900 and the unit part number is 1TO 035 680 B

Will I benefit from upgrading the firmware to 1100? Will i have to re-install the maps? (which i havent got on Cd)

Yes 1100 will require you to reinstall the maps. Your unit likely has Euro maps. Do you have the Oz Maps? If you were going to install the Oz Whereis map then you could just do that.