With exercises that I'm moderately advanced in, 10 x 3 at 80% would be extremely taxing. With exercises that I am poor at, its worked wonders in some cases. For bench for example, it would be about 285 for 10 x 3 which would simply be too much. between 4-6 x 3 has worked well for me there. For the squat, I've squatted 445 but it would definitely be overstressing again.
So, for lifts that you are more advanced in, 5 x 3 works well, and add 5 pounds each workout and I'd do it every 4-5 days.
For rows, 10 x 3 would work well, as I'm weaker there, and it really wouldn't be too stressful on my system.