I think I'm with Carol in the 'if it ain't broke don't fix it' department.
It seems to me that people can do some wonderful things with wordpress, but it's like anything else: don't pay for extras if what you have is well suited to your needs!
Here's a for instance: we just got Martin an inexpensive laptop for his trip. Got it home only to find that it doesn't have MS Office. Then I thought: wait a sec, he doesn't acutally *need* Office on this, we'd just be buying it out of habit.