I agree about making sure the can is shaken before spraying. The spray isn't the lube, it is the carrier. Once it is thoroughly mixed, it becomes a very good mixture.
For the record, I spray all of my pistol brass with One-Shot, however, I lay them flat so the interior doesn't get wet and make the powder 'stick' to the sides of the brass.
For rifle brass I use a combination of Lee lube, RCBS dry neck lube, and Imperial Sizing Wax. Lee lube for the case mouths (about every 4th case) and ISW for the rest of the brass body as I handle them into the shellholder. The RCBS dry neck lube is for my precision ammo.
