Just received new beta firmware 1.02, with bugfixes addressed in a previous 1.02 release.

http://www.aroundmyroom.com/ch3snas/ch3snas102a.rar

many issues / options resolved / added / fixed ..

among them:
File Transfer tools where able to damage files
Subtitle files are supported through UPnP A/V tool when playing divx
Progress bar with Itunes Server
Admin cannot be used as groupname anymore
wuftpd has been abandoned and pureftpd is now in use (utf-8 support)
Samba 2.2.8a replaced by Samba 3.0.24 (fix vista issue)

Please do not test this firmware in systems where precious data is stored .. use it for test ;-)