The Bold OS 4.6.0.244 has bee found online.  This is for the BlackBerry Bold 9000 only. As always, just remember it’s a beta release. Please only upgrade if you are comfortable with the process. Make sure you do a full backup before doing anything and only install if you know what you’re doing.
You can get the OS file here.
You can check out discussions on this OS at BlackBerryForums.com.
