I recently got into Reaper and I love them. The triad system they use is really nice for quick shade, base, and highlight color selection. I ended up buying 20 different triads and a few metallics and other colors to round everything out. My personal experience with P3 (and keep in mind I only have 6 of their paints) is that they dry glossier than Reaper. For example, I used P3 on Santiago's pants and Reaper on everything else. A little hard to tell but on his left leg you can see the glare on his jeans right above his foot, but nowhere on his coat, gun, face, etc.