I've been following progress on this project for awhile, since page 40 something in the original thread. I'm thankful that my old DX has new life breathed into it!
Several apps FC'd on boot. I also noticed that the notification bar was missing for some reason. I attempted to boot into TWRP following that, but it won't work. Hmm. I later discovered that internal storage wasn't mounted at all. Could that be the culprit?
I did something very experimental: using /etc/init.d, I wrote a command to mount /data. I thought it was a good idea, and my DX did report that it was "upgrading" its apps, but eventually I booted to Trebuchet crashing over and over again. Hopefully something will be figured out in the meantime.