What is the best way to play backuped games on the Wii?
If I update my Wii to the newest software, will I still be able to use the one above?
i guess wode has the most compability and still has full functionality on 4.3
but: there is no reason to update to 4.3 also you ever heard of a softmod? nothing to buy, just some reading time and effort you have to spend.
USB loading/softmodded is the way to go
check out the Basics on it linked below.
good luck for whatever you decide.