I managed to make contact with BLU service, and they e-Mailed me a driver that only works on 32-bit Win7, not 64-bit :-(
I figured out that I can still test my apps on my DASH 3.5 by uploading the .apk file to a webserver & using the phone to browse to that link. Android will recognize that .apk is an app file it can install. So you could also distribute your own apps to anyone this way, without using any of the Android stores|markets at all.