I have a Timbuk2 that I’ve used pretty much every day for the past 3+ years and it’s a bit dirty but hides it pretty well. No other real complaints with it - swallows up a ton of crap for when I have to travel.
I have a nice Cole Haan Wayland bag which I reserve for any time I want to be fancy (big meeting, interviews, etc) but I’m too paranoid about using it day to day.