This is one of the best posts about dialogue I've read in a very long time.
Dialogue by Tony Noland
Enjoy! And maybe learn something, totally by accident. Or if you're driven, then totally on purpose.
If you're determined to succeed at this writing gig, then you might want to read some of Ziggy's other guest posts. They are really good. Actually, good enough, why don't you just follow The Feckless Goblin and see for yourself.