I think Gmenu2X is an excellent GUI,and another good choice on dingoo. Does it possible transplant to dingoo-linux,Is there anyone can do this,I am looking forward to your replay...
You can buy on the Internet.
Here is a website:
http://search1.taobao.com/browse/0/n-g,w2q3t6zameztema-------2-------b--40--commend-0-all-0.htm?ssid=e-p1-s1&at_topsearch=1
The price of dingoo A320 is about ¥460.
I wish it will help you!