> But obviously a total amazonisation of all buying would be terrible nonetheless. What I'd love to see: a site like those price comparison directories but not so much focused on cheapest but on local availability. Current stock, proximity, opening hours and price, they are all important.

Geizhals already does all that and I love it for that, e.g.:

https://geizhals.eu/dell-p2719h-210-apxf-a1849338.html?t=a&h...

It's mainly useful AT/DE though...