hi S., i have the double jogging stroller from valco. i absolutely love it, its truly the cadillac of strollers, today we were at a farm with my 4 year old, 2 year old, and 2 month old, all in the stroller together comfortably securely, going over grass, gravel, etc. its great for us, i live in my stroller, do a lot of outdoor stuff, etc. the peg perego infant seat clips right in, its great. i dont know if you would like it because it really is big, i can sit on the foot of it to nurse! yet it handles a million times better than my single peg does! however, i did want to put in my 2 cents because my kids are about the same age apart, and i know that if we had a front to back, the one in the front would be tortured. they will fight, and if they are side by side, at least its a fair fight! plus there are no arguments about who gets the "better" seat, they are equal. yes, it is bulky, but a double is going to be awkward no matter what, front to back or side to side. it steers amazingly, i can steer with one hand, tight corners, etc. just make sure it fits through a standard doorway, which mine does. and having sunshades that operate independently of each other is more important than you might think, and having them both recline comfortably is very important too. get lots of advise and be sure to try out a bunch of them. when i was looking, a friend advised me to try the front to back with the toddler and a 10 lb bag of sugar or something where the baby will be to see how it handles, especially around tight corners. i also would hate having the kid in front be out of my reach. my sister has the sit and stand, she likes it for quick errands, but uses her valco for big outings. i guess it depends on how you use your stroller. good luck, D.