So I was hopelessly searching my HD, and I happened to see some folders w/ disk images of the installers for system:

6.0

6.0.2

6.0.3

6.0.5

6.0.7 - DD & HD

6.0.8 - DD & HD

and a boot disk for:

6.0.1

Now if only I had the installers for 6.0.1...