I have a Quest and love it! The basket underneath is small and you cant fold the stroller with anything in it. The Quest is a bit wider than then Triumph or Techno?? plus it has a pull out leg extension which is nice (some others may also have this??). It reclines, not flat back, but enough, and I can pull the shade down and hide my dd.
Macs are tippy with a bag on the back. I counter this with a 3 lb ankle weight wrapped around the front of the stroller. I got the Mac Universal Organizer which works great for me. Has two neoprene cup holders, a small pocket, and a velcro closure large mesh pocket. I keep diaper supplies and raingear in the basket, snacks in the organizer, and hang a backpack from the handles which holds our valuables (and goes wherever we go).
My kids (18 mos, & 5 yrs) are both tall (always in the high 90's %ile) and the height has never been an issue with the Quest. The other plus with Macs is the weight limit is 55 lbs. My 5 yr old can still use it! The Quest is a breeze to push (even one handed), &is lightweight. A shoulder strap would be nice, but mine does have a carry handle on the side.
alison