How would one find a competent, adult, Mac OSX Lion Server expert to consult with me regarding a Server for my small 2.5 person law office?

Contact your nearby Apple Store or look in your local Yellow Pages (probably in the Computers section under Consultants.)

You could also try the Apple Consultants Network: http://consultants.apple.com/

Depending what sort of advice you'd like, you could even try this forum/environment and possibly get free help from passionate enthusiasts of the technology in question.

Im a Mac Systems Administrator and work full time in a large enterprise enviornment to support Mac Servers and Mac client machines along with Windows machine. What kindof questions do you have, perhaps I can help.

The Consultant Locator is definitely the place to look 😀 Especially if you live near us.

If you are in Ohio check out Elan Technologies