Now we know non-DRM OS' aren't always useful for everyone. However, if you're into hybrids, then this OS will make you happy. There are a few minor known issues with the OS, but other than that it sounds like it is solid. So if you're able to run non-DRM OS', check out 18.104.22.1683 for the Storm2 9520.
*DISCLAIMER* - This is an unofficial RIM software release. If you choose to install, do so at your own risk! BB Leaks is not responsible for any malfunctions or abnormalities that may occur.