That's still a thousand transactions, in a very short order of time. Not too shabby.
Given your profile, I feel a little weird giving 'advice'; did both of those companies happen in the last 18 months?
Regarding NotaryCRM, I'd start by fixing the layout so that it renders properly in Safari; the signup button requires a horizontal scroll for me.
Don't sweat AJAX too much; it's a useful tool in the toolbox, but a lot of people go nuts on making everything load dynamically, which gets irritating really quickly.
Your contact page is a form; I don't know about other people, but this always puts me off a bit.