update to 4.1
cios is on rev 14 now but rev 10 works great still
wadmanager 1.5
neogamma rev 7 (replacement for gamma 3 it works for dvd sd and usb game loading)
usb loaders rule get one (neogamma is one but there are others like beardfaces and gx)
install bootmii
then dump your nand
then save it from your sd card to your pc
now if you brick your wii you can re install the dump with bootmii