Amazon.com.au:Customer reviews: WorkEZ Keyboard and Mouse Tray Ergonomic Adjustable Height Angle Negative tilt sit to Stand up on-Desk Table-top Desktop Standing Computer Stand Riser Lift Raise Keyboards to Standing Height,Black
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More affordable than a full station (especially since i already have an arm-mounted screen. Slides around a little on the table - get a couple of cheap non-stick pads like the Scotch ones I have in the picture - works a charm.
A little shakey - can't be helped (it's just the way it's designed).
Once you find the right angles and heights mark it out with something so that you can do transitions faster - it can be a little clunky so take the mouse off the pad while transitioning or it'll probably fly off.