There is the remote possibility that I might be able to host a small number of machines. My mom doesn't pay for electric (included in rent), so she said she would be willing to let me set up some crunchers there. She has a DSL line.
I know nothing about writing "management scripts". I was envisioning some sort of remote VNC arrangement, except "read only" (I don't know if VNC can do that). That way, people over the internet could monitor the crunchers, but not interact with them directly.
If anyone thinks that this would be feasable, let me know. I could provide the networking gear for the cluster, I've got switches, I could link them wirelessly to the DSL line.