I haven't read the whole thread, so this may have been mentioned, but have you considered a Baby Jogger City Mini? You said you want something to use for walks and such, the Mini is a great do-it-all stroller. It isn't all-terrain, as it doesn't have air tires, but would still work out well for walks. The City Elite is really the way to go for all-terrain (not jogging though).
While I love the Quest, I never choose it for any serious walks. A walk down the street to the park maybe, errands, or the mall is about it. If you are set on a Mac, I'd go with the Techno, since you want it to be your do-it-all stroller. The canopy is larger, the handles are height adjustable, the basket is easier to access, it has larger, more substantial wheels and it is much less tippy:twocents: