1, agreed
2, I would go to OFW 3.55 if possible, there should be no issue skipping OFW updates and going straight to OFW 3.55.
3, Once on 3.55 OFW, install 3.55 CFW (kmeaw is easiest) then QA toggle + button combo to confirm (apparently QA flaggin isnt needed any more, but I do it just in case

4, Rogero v2.05 is what I;m running right now, its awesome