Users cannot install firefox from bodhi appcenter on BL6. (This was mentioned in another thread but to make sure it's noted here as seems fairly significant issue that most new users will run into. Note apt works fine.)
My apturl script should not fail for packages dpkg reports as rc. Surprising no one noticed this on the testing ISOs, unless for some reasons they did not have this issue. Anyway regardless apturl-saf in the BL6.0 repo should resolve this issue.
An updated/upgraded system should no longer have this problem for any rc package.