Keep in mind this is one thing I have absolutely no scientific basis on. Anyway.... no. It helps with time limits but if you're running through a couple sets to stay on time you're half assing the workout anyway. When you're benching or doing shoulders or anything like that the point is to die at 10, 12 or whatever you have on your set anyway.
If you're supersetting, personally I would just designate my least benificial lift and just do a runthrough instead of supersetting flys because I need to hurry and get my work in.
Supersetting had all of the cons of the endurence sets and none of the benefits. (because you shouldn't be able to do 2 sets with no break, you should die at 10)
Like I said, absolutely NOOOOO scientific basis from me, just some commone sense and experiance with hurried workouts- (bodybuilding class.)
Anyway, I say screw that hard work crap, I say just use roids. Roids are delicious