I looked pretty hard at this stroller and chose not to buy it. What I liked was the fold, thought the sunshades were good, it is lightweight, and it came with the trays already. What i did not like was that when I put my then 20 month old twins in it at he store, it felt pretty flimsy. It also had a lower weight limit than I liked, I really wanted so something with a 50 point limit for both seats.
What I ended up purchasing was the maclaren twin triumph. I found one for a great deal on eBay. It is a lot sturdier, folds really small, and i have easily used it to push my 6 and 5 year old nieces in it who were both likely over its weight limit (they're tall girls). Albeebaby.com has a twin techno 2011 model brand new for $270 right now. It's a step up from my model.
But my favorite stroller for WDW is the baby jogger citi mini or the britax b agile double (so similar). They don't have an umbrella fold but it's a quick one handed fold and a much better stroller overall. For younger kids, especially a baby, I think it's a superior choice. Much better recline, huge sunshades, easy, easy push. It will have a much longer lifespan IMO than the Combi, and your kids would likely find it more comfortable than the maclaren.
Just my two cents.
. Y'all are wonderful and very thoughtful for taking the time to help me out!
