I really liked the Emerald Aisle, to the point that I said I would never use any other agency at MCO. 18 months or so ago the rates at Alamo were about 40% of National so I figured Id give them a go. I had used Alamo before but had frequently waited 60+ minutes in line. The kiosk is absolutely the best thing they ever did. My wifes airport plan goes like this. Get off the plane and I wait with the stroller/carry on until she changes the baby. From there she goes to the luggage carousels and I head to the kiosk. I typically get to the luggage carousel as our luggage is getting out then we grab it and go across the street, pick out our car and drive away. The Emerald Aisle reservation would save no time at all. Keep in mind Alamo and National leave the garage through the same booths and it takes the same amount of time no matter where you rent from. Since the kiosks have been installed Ive rented from Alamo exclusively due to the fact that they are always the cheapest and get progressively cheaper as my trip gets closer. Long story short, the kiosk is a winner (if for no other reason, you no longer have to deal with the counter people)