Hi,
To sijan, perhaps you could detail the problem you are having with the incremental backup and let us know what exactly you are doing and where it goes wrong it would be helpful. If you find a fix for this your FTP issue becomes moot for the time being.
Regarding you folks having problems adding data via FTP, is everyone sure the specific user has read and write rights to the folder you are trying to upload to? Have you guys changed any of the default FTP setting on the 320, enabled SSL/TLS only? How about trying to use a different FTP client, IE, Firefox, FireFTP, etc. just to try and rule out one of the settings on the 320 or on the FTP Client you are using.
Finally, has anyone done the reset to factory defaults and re-entered their settings, you cannot use a config file from 2.0 to update 2.02 even if you saved it. Save the new config file but the older one does not work correctly on 2.02. That's about all I can think of right now. Good luck all.