I guess it depends on the venue - how long you are booked to play for etc.
We play mostly around the Oxford area and with extended hours now most pubs seem to expect at least 2 x 1 hour sets. Our second set often extends to nearly 1 and half hours. We usually play between 30 - 35 numbers over the two sets.
I used to use fingers all the time when playing with an acoustic guitarist only. Now joined a covers band that plays rock, blues, pop etc and find that I have to use a pick for most songs otherwise my fingers end up covered in blisters!