I'm not Rob, but my vote is to thank her for the offer, tell her you'd like to go, but would like to take a rain check, as you're swamped right now. (This will buy you some time to be more awesomely awesome, but yet not reject her.)
Rob....? Oh, Rooooobbbbb?
(Ferg - I've told ya. I'm not great at advice, so wait for others!)
Me-46, D-21, S15, S13
After many years w/my head in the sand... I FILED Divorced 6/2011
The average woman would rather have beauty than brains, because the average man can see better than he can think.