Undoubtably Oehler is the King, but several will work fine and your budget may help you decide which. But, the reason for owning one is very well illustrated by Mark whiz, and Rodger Petersens posts. BTW, Hey Houston guys, grew up by the old Gulfgate shopping center!
Velocities need to be checked to match with the performance you desire and may go along ways in helping you choose an excellent powder. When you find one that delivers the velocity, or lack thereof that you are looking for, and the loads are grouping well enough to excite you, there's nothing like looking at a piece of modern technology that agree's with centuries old principles. That is not to say, Standard deviation is absolutely definitive for accuracy, but when they do agree, you probably made a wise powder decision! $.03
