Has anyone written a Postgresql Installer using SetupBuilder?

I've been using the Postgresql for Windows MSI installer, calling it
from within my applications SetupBuilder install, and giving it the
parameters I need. That works fine for my purposes. However, as of
Postgresql 8.4 the msi installer is dead; now they use a bitrock-based
installer.

I was thinking of rolling my own installer using SetupBuilder, so I
won't have to reinvent the wheel if they change installers again, but
before I did that I wanted to see if somebody has already got one they
would be willing to share as a starting point.

Thanks...jack
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Who: L Jack Wilson