I remember running wine a long while back off a real Win98 installation. Worked great! And I had all my existing programs (of course, not all of them would run) and more important, registrations, dll registrations, and other needed registry entries. Somewhere along the line, the masters of the vinyards decided to abandone this mode of operations, probably most rightly so. I agree wine runs better, more consistently, off its own "installation" and much chaos has been avoided, BUT I no longer have my registrations and I do not have all the information to install from scratch many programs that do indeed run fine on wine. I no longer have all the registered dlls such as for audio effects and their registrations and have no way of reinstalling them. Maybe some of this stuff would not run anyway, but ... So, the question: Could wine run off a combo, using the unionfs? I used to have the win98 and wine registries listed using a colon (:). The underlying windows would be read-only and most everything more-up-to-date would override this. Might still need the :.