Phillip J. Eby:
FYI, unless there's some policy preventing it, you can use the current SVN snapshot as a basis for a Debian package of setuptools.
At the moment (i.e., with no release due soon), Debian Sid should be happy with that.
pre-release tags. If all else fails, you could treat it as "0.6a8-r41780" instead, which might be a more compatible numbering approach.
Debian Unstable supports "0.6a9~r41780" as a way to state earlier-than- 0.6a9-ness.