Ok i am still getting a little confused here:

If i want say 750/1100 do i need to do any volt mod either pencil or other wise?

I have Guru's Bios that is 750/1100 downloaded and waiting for my HIS card to arrive i hoping this morning or afternoon.

Now can i just flash the card WITH NO MOD's done at all?

Guru's 750mhz Bios Voltages are set at 0.94 and 1.263 and 1.046.

Now if i just flash what can/could happen, maybe the card won't do 750/1100 and she may not boot???

Now i will be uninstalling my drivers and cleaning them out (before i install card) and then i will be installing the 8.6 hotfix drivers (unless there is newer) once i get card and install it.

So tell what i need to do just to get 750/1100.. thks