You know, I would make every effort to use a company that keeps it operation onsite in the MCO garages. Trying to lug all your luggage + a kid to a courtesy shuttle is going to be a real pain...it probably would make the most sense to just have you or your husband go get the car, and then drive back. But it can take a while and you'll sort of be stuck, stationary with a bunch of luggage and a little one.
The situation for the "onsite" companies is particularly good at MCO--it truly is a very quick and easy walk to the centrally-located garage, and all of the cars are literally right there. You'll save a ton of aggraviation and probably a fair amount of time, too.
Just something to consider, especially if you're able to find a rate that's relatively close to Advantage.
I'm personally have a hard time finding a decent rate on a minivan for 10 days during December. I've currently got one with
Avis for $616 (including taxes and fees, minus a coupon). Hopefully I'll be able to beat that closer in.
God, in Jan '08, I had an intermediate through
Alamo for 5 days that I literally paid $60 for TOTAL. Those were the days.