Which workout routine works best for you?

I work out almost every night. Cardio to get the blood moving and warm up then on to weights depending on what I did the prior evening. Mostly 3 sets of 15 for upper body of the highest weight possible or 3 sets of 20 for lower body at the highest weight possible. Bit my favorite gym machine is the assisted pull-up bar. I lower the weight as much as I can without hurting my shoulder too bad to strengthen them.

I focus on three things. Size Strenght and Endurance

That depends. What's your focus? I used SofWods when I was still in. I've heard good things about Soflete as well.