I chatted with a nice young woman at the Probate Court, and she declared that there is no formal registration for clergy. Once I find some piece of paper that says that, I'm set.
VoiceStream just rolled out a new data service, called iStream, which is much better suited, and I confirmed that it will work with the Visorphone (ah standards: GSM !) which I'm getting soon.
I opened a bank account today, which will allow me to funnel money about more effectively for things like phones and PDAs ..