Starting at stock moto rom (safe disabled, rooted, safestrap installed)
I installed voodoo, and backed up root.
Then installed the update as described in the thread i linked above.
I didnt touch safestrap or root before installing.
After the update, i lost safestrap, and root.
Restored root with voodoo.
Restored safestrap with hashcodes safestrap installer.
Booted into safestrap recovery.
switched to safe (CM9 4/17).
Its working pretty well. I cant say if its any better or worse than before the update yet. I'm in my office, where i'm pretty much wifi only.
Bluetooth seems better. Not sure if thats the blur/moto update, or an update that's come to CM9 since the last time i tried bluetooth. It still breaks phone audio when enabled by not connected to an earpiece, but it actually works with the bluetooth earpiece (which it never would for me in the past).