Yep, I know it sounds daft but:
/use item:22105
/use item:22104
/use item:22103
/use item:32578
This macro will use Healthstones (largest first, then working it's way through to smallest), and if no Healthstones then it uses a Crystal Charged Focus. Saved me 3 buttons on my mage UI, but I figured it was useful for tanks and other classes too.
TL.
nifty, thanks TL :D