I f you can live with the standard size non-changeable lens not much can beat the Rolleiflexes.
I like using standard size lenses and use my Rolleiflex 2,8F a lot. I have the Xenotar which is the Schneider version.
The rolleis are easy to use, inconspicuous and perfectly usable for street and situational photography.
I am still looking for a Rolleiflex T in perfect condition for I love tessar design lenses with tri-x.