linuxvangog: Hello there! As we learned from our already year old Linux support, having two formats instead of one was the cause of the confusion among some users. New installers introduce many features that were not reachable with older forms of distribution we used, such as differential patches that will make updating your games way easier :)
Hide tarball downloads under "Advanced Options" in account section or something.
Mojo's pretty great though, good idea to make the switch. Made a few of my own a while ago, can essentially treat them like tarballs since they have fairly extensible command line options. Still, would like tarballs so I could master my own collections or something.
Further, don't use $HOME. $HOME isn't defined on some distributions by default. When looking for a user's home you should always use ~/. Unless you were just talking about $HOME for simplicity's sake with the post.