I now want to flash it again with the new 1.6 firmware as I want to play the latest games with wave 3. However I have switched operating systems and am now on vista and have lost all the original programs I had

I am sure I can find the latest Iprep and the 1.6 firmware, but I would like to know if there's anything I need to do differently in vista and if there are any drivers that work with vista for the controller since I don't think the ones on the CD work right.
Edit: Just to add, since I am re-flashing and the firmware I have on at the moment is the 1.5 will I need to still do the read step before I write?
Thank you!