All nob selectors are offset to the right of the nob images after expanding the screen width.The larger the window the more the selectors are offset. (for example; a 10% increase in width creates a 1/2 inch offset, while going to full screen causes a 2-3 inch offset on a 27" monitor). When using initial screen size the selectors and object images are aligned properly. It appears that the selector masks are anchored to the right side of the window. Increasing the height alone does not cause any offsets to occur. This problem only appeared after upgrading to 10.5.