Flash functionality (dtvtrans sync) can flash a FlashROM image to the DTV. The image format is the same as the one used by the viceplus.sourceforge.net/ DTV emulator. In short, this means that reflashing the complete DTV file system can be done with a single command now (note that reflashing $00xxxx isn't supported due to safety reasons).
Autotype functionality (dtvtrans type) allows to bootstrap DTVTrans with only Joyport2 mod needed by using the BASIC PROMPT easter egg. No keyboard or floppy connector required!
I'm waiting for someone contributing a windows build now .
Kudos to tlr for dtvtrans 0.6 and Flash 1.0. These programs and Spiff's autotype code have made this nice amalgam of functionality possible .
DTVTrans+ 1.0pre3 is now available. It's basically a merge with tlr's DTVTrans 1.0 (better transfer speed, some additional commands) and fixes regarding autotype functionality which was not very reliable for some people previously. Windows build will follow.
I did an in-place fix for the AT49BV163A issue  relevant for Hummer users mostly. Since DTVTrans+ comes with a bundled non-interactive Flash version, it was affected, too. Didn't test the Windows binary; I just used a hex editor to fix the one wrong byte .
There's DTVTrans+ 1.0 (final) now. Minor changes only: For me and some other people "safe setup" introduced in tlr's DTVTrans 1.0 didn't work reliably so it's disabled in DTVTrans+ 1.0 by default. Also, if any transfer errors occur, DTVTrans+ 1.0 will terminate (DTVTrans 1.0 ignores transfer errors).
I expect this to be the final release of DTVTrans+.