An Answer?

If anyone is interested, to keep hardcoded usernames and passwords from sitting in your SAS/Connect script, the SAS Institute recommends putting macro vars into the connect script and assigning those macro vars in a compiled data step. Straightforward and easy to use.

Check it out:
FAQ #1800

As an aside, if you've got > 1800 frequently asked questions, can you really describe them as being frequently asked? Someone out there is asking a lot of questions. Frequently.