Wanna big fat clue about how to make your new *nix server setup easier? Here are two clues: don't try to run your own DNS (BIND) and don't try running SENDMAIL. My word! How the hell does any normal person have a chance to get these two things configured and running properly?! It is like quantum physics or DNA-splicing. Even with a "Dummies" book! Ha. O'Reilly, actually.
Through much trial and even more tribulation I finally discovered that having your registrar (if they are cool) do your DNS is the free, easy way to go. Oh yes. And forget Sendmail. Get yourself Postfix instead. It fully replaces sendmail, runs like sendmail, but (get this) you can figure it out and it works! What a relief.
Maybe I'll move all this (this server) over to the new one someday soon...
Wait! Here's a third clue (which I did not use): Mac OS X