Network Provider HTC Diamond

Can any1 please point me in the right direction for a software update, ive just got a HTC Diamond, and i want to take the orange shit off it and flash it with the generic software.

Also does any1 have TOMTOM for it, if so, can u please pm me the link or post it on here.

Thanks

Dave

You'll find everything you need for changing the rom
over at xda developers
and search this forum and you'll find tomtom