When DS1 was born my parents bought us a Bebecar 2-in-1 pram, it was very good but soon became impractical for our second floor flat and trips in the car. I then bought a Maclaren buggy, took it on holiday and ruined it carrying nappies and bottles of wine in the back, dragging it up the beach etc (still have this buggy and keep it for holidays, the wheels don't go right and it sort of hangs to one side). Bought another Maclaren buggy, the lie-back didn't work properly, got my money back and bought another Maclaren, this one lasted 13 months until the leg broke off. Shop exchanged it although they didn't have much to offer, chose a Chicco, used it to get home on bus to find that it didn't fit in the car, sold it in paper. Bought basic Urban Detour from Mothercare (mostly as it was the cheapest sturdy buggy they seemed to have), fantastic buggy, sturdy, very comfy, still have this and keep it in the car. For DS2 I have been using the Bebecar (we moved from 2nd floor flat) and feel as it has had a good innings now so have bought another Urban Detour from eBay, so far very happy with it, far lighter and easier to push than the Bebecar. I would never buy another umbrella buggy for anything other than holiday use.
For me a three wheeler has not been a fashion statement but a sensible choice, I'm sorry but IMO umbrella buggies are useless either that or I am very heavy handed with them.
Couldn't get on with slings either, tried a couple including the Wilkinet (borrowed from a friend), had fear of falling and squashing baby too.