I have to admit something here. Girl, I'm only 5 years older than you, and I could never imagine in a million years having a kindergartner right now! My hat's off to you!
Of course, there are a lot of people who can't believe I'm a Nana now, x2, so <shrug> a lot of life is all about the timing, eh?
Blessed pregnancy to ya! Experiencing any morning sickeness yet?