For the 147's I actually used Alliant Power Pistol. I was able to get a load to about 1130 fps without any signs of high pressure.
I had good results with Longshot running right at about 165.1 PF with 124gr Precision Delta bullets, and it seemed to be a good powder while it lasted.
Since then, i have been using Power Pistol exclusively because of availability. After using all of the 147's, I have only been using 124gr and 125gr bullets. Now that i don't have any left, I don't really have a reason to use 147gr bullets in 9mm these days.
Power Pistol is fairly clean, and very consistent. It makes 175 pf without a problem, and no signs of high pressure at all. THe only problem is that it is a LOUD powder, but that's why they make earplugs.
Like everyone else, I recommend 125's with Longshot. And, honestly, 9mm Major is beyond all published 9x19 data i have found. So, the best thing to do is start safe, and work your way up.