Ive worked with Ball, flake and stick powders. Im lucky in that the stick powder I use is Varget (A rifle powder,) and find it meters like a dream. In pistol powders I like ball powders. They meter consistantly which makes my life easier. I HATE flake powders, like Green blue and Red Dot. The only way to get consistant charges, especially with the low charge weights you find in pistol loads, is by tapping the measure a couple of times, dumping the charge, followed by more tapping. WW231 has preformed amazingly for me and I find no reason to look elswhere.
Brian M.