I am currently running 4.2u on my wii, and am able to run the homebrew channel, no bugs. Am I still able to use wads and run apps that are from older versions of homebrew? Wads I am very skeptical of, but apps are a different question all together. I have heard of Gecko OS 1.9.2> not working, it this true of other applications, such as Wii64? Also, can I still run backups of games via USB drive? One last question, if I have bootmii or homebrew channel and download something off of wiiware or virtual console, will it cause a brick. If you can provide an answer to any of these questions, it would be greatly appreciated.