Personally, the single lap shootout in lottery format would be my ideal.
However, there is a way for me, and thats make drivers do a minimum ammount of laps per Qualifying session, or just for Q3.
Or what id do is follow the DTM format with a Q4. That means every session would see 6 cars drop out.
Q1: 20 Minuites
Break: 5 Mins
Q2: 15 Mins
Break: 5 Mins
Q3: 10 Mins
Break: 5 Mins
Q4: 5 Mins
TOTAL: 70 Minuites
However, im not sure what the TV companies would think. For the fans it would be great i think. However, what could be done is the break between Q2/Q3 and Q3/Q4 could be done away with, and teams that didnt make the cut off for that time get called into the pits. You could go back to the old 2006 rules that drivers had to det a time before the end of the session, if on a fast lap when the time runs out, tough luck, come again at a later date. That could put more pressure on, and create more mistakes. It also means that the top cars have to use all tires to get to pole, if they want it. Brings quali to a real climax that is worth watching in my opinion.