Testers Announced! The Stack Do have the need, the need for me speed!?  These testers do and will be putting the whole system to the test. With nearly 5k submissions it was not easy to narrow down, but we have our testers! The Stack System was designed by Dr. Sasho MacKenzie and Marty Jertson and "allows Sasho to share his research findings and training wisdom directly with you, using the same tools, techniques, and nuances that he uses to speed train Tour players he has consulte