Yes to everything.Can a Mystic Silver Gran Turismo Edition PSP-3000 be proCFW 6.20 perma modded if it's on 6.20 OFW? Alternatively can it be downgraded to 6.20 OFW just in case it was already updated to 6.60 OFW and then it can be proCFW 6.20 perma modded?