Originally Posted by vsbabolat
Yup. Youzhny is one guy that comes to mind using it early in his career.
Thank you so much, sir, greatly appreciate your insight and your continued help.
I recently acquired an "A.A." Youtek Radical OS and that lead me to wondering whether anyone else used the stick. Nonetheless, presume that the "A.A." Radical OS is instead the Trisys 260 OS under the paint? If so, do you think the A.A. frame was made in Austria like the PT57s? Thanks again.