Appforge have announced an update to CrossFire (taking it to v5.6). Crossfire allows developers to us Visual Basic .Net and Visual Basic 6 on Series 60. 80 and UIQ devices. Along with this, they have released AppForge Data Sync (using Intellisync based tools) allows developers to include OTA syncing in their applications.
Appforge Release Crossfire 5.6 and
http://scripts.appforge.com/clients/supported.asp
it seems, Appforge only supports Serie60 Devices. There are no clients for Serie80 ?!
..."9500 Series Not Supported - - - - "