As with anything of this nature you can download and apply the new firmware at your own risk as their is a possibility that it may brick your precious A320.
HISTORY:
09 april 2009:
The worlds first custom Dingoo firmware release.
Moved system files from hidden memory to visible memory location
/system/font
/system/res/system/code
FEATURES:
* Possible to add or change custom themes ( all visuals customizable )
* Fonts can be changed or added
You can get full details and installation guide HERE.
I wont be installing it myself but if you do make sure you report back here.