• and certainly on my machine the built in zoom feature is blurry
Are you, perhaps, using Opera as your internet browser? It interpolates images when zooming by default.
Direct your browser to the following address and uncheck the Interpolate Images option.
opera:config#Multimedia|InterpolateImages
Anyway, this whole "100%, 200%, 1x, 3x" thing needs to stop. It depends on your monitor size and what resolution you're running. Zoom level is not a fixed way of indicating visual size, it's all relative.