Hiya I'm expecting twins soon as I cant decide between the mountain buggy duet or baby jogger city select lux (double tandem). I want to be able to get the babies ready in the pushchair in the house and get through my front door. I am maining going to use them for the school run shopping and little walks. The school run can be difficult with parked cars on the pavement so that's why I need either a narrow side by side or tandum. I just can't decide. I love the idea of the duet having the baby's facing me side by side as can see them both but only thing that concerns me is the seat widths being too small. My eldest was a tall quite chunky toddler so twins might be the same and then the seat may not last as long if they find them too narrow. The city select seats at 12 inches wide and the duet 11 inches wide. Not much difference height wise. The city select has its cons as I'm worried about the leg space. If anyone has used either can you tell me your thoughts. Thank you