Well, like many of you I too love S+S, but also have the goal of a half-bodyweight press. So, in order to follow this I made a sort of Frankenstein program, patching together S+S, RoP and Pavel's
Total Package Weekly Template. It looks something like this:
Monday: Heavy RoP Ladders + Squats
Tuesday: S+S
Thursday: Medium RoP Ladders + Squats
Friday: S+S
I was initially worried about the wear on my shoulder and fatigue following heavy presses. However, if anything doing get ups decreases soreness for me. I don't know if it's my mind playing tricks on me, but I actually enjoy doing get ups the day after pressing.
I left out the easy day; I thought about putting it on Saturday, but that seemed like it might be a bit much in the long run. Another option would be to cycle through over multiple weaks (IE Week 1: Heavy, Medium then Week 2: Light, Heavy followed by Week 3: Medium, Light and you're back to Week 1). This would provide slower progress, but probably allow for a longer run.
I've been on this for about 4 weeks now, and I'm enjoying it. Came down with a cold during my second week, so my progress was slowed slightly. Started with 3 ladders of 1-2-3 with the 32kg, and just made it up to 5 ladders of 1-2-3. Initially the 32kg was my 4RM for my left arm, so I'm very happy to be knocking off 30 reps with it on my heavy days. Will be interesting to see how the increase to 4 reps on the last rung goes. Replaced swings with barbell squats so that I could focus on swings during my S+S sessions. While goblet squats did maintain my squat groove, I lost a ton of strength on my front squat, and it took me about 4 weeks to regain it.
As for S+S, I've made some progress, but obviously not as much as when I was performing the exercises 6 times a week. My Get Ups have plateaued at around 8:30 minutes, and my swings are consistently between 4:30 and 5:30. These are slight improvements on where I was when I was performing only S+S.
So, in summary, you can combine elements of the two. However, you will make slower progress at each. As the saying goes, "Jack of all trades, master of none." I would likely have made more pressing progress if I simply followed RoP and my improvements have slowed since reducing my S+S volume.
Interesting experiment. I definitely plan on following it for 2-4 more weeks, and hopefully by then I will have a 40kg 'bell. It definitely makes sense to me to have S+S as a baseline sort of program. Do it for 8-12 weeks, then follow a more specialized routine for 6-8 weeks, and cycle back and forth.