Thanks for the replies. I just sent an email. Yes, I'm using pro 3.5 and it always asks me for the key on reinstall.
Eve - if you think about, I'd be be interested in knowing what TS has to say. Since I have my saved S/N, I'm confident I can install version 3.5 again if I need to. When I switched from 32 bit XP to 64 bit Win 7 Pro, DesktopX stopped working properly for me. I suspect there are ways to work around that, but I just moved on with the anticipation and hope a new release would be forthcoming. Someday I may try again.