I've played around with a few de-tuned loads in the 9mm. I've went slightly below starting loads with titegroup with good function, and decent enough accuracy. Clays is a good powder for lighter loads as well, but for me, accuracy fell out the window going below the minimum (with Clays). No recoil though, was like a mean 22 rimfire.
One thing I'll mention, although it was a different caliber (38 S&W), was Titegroup getting extremely erratic at extremely low charges. I didn't know where I should be, so I loaded various charges, like 1.5-1.6 grains with a 124 grain bullet. Anyways, over the chronograph, one would clock say 500 fps, then the next 365 fps! Nothing like seeing your bullet on its way to the target. I honestly don't know if it would do the same in 9mm, but it was amusing.
I type pretty pokey, so I see another mention of Titegroup being erratic down low mentioned already.