If you can wait a few days I can show you what i have had one for one of my new sites (im not ready to release it yet though a I still have to do some work on it)
but it works very similair to
http://www.boden.co.uk/col.asp?segname=Men&styid=ME006&segid=4&gpname=Jac kets%2FCoats&desname=Correspond...gpid=11& gen=
but instead of just showing stock status it uses the variations in 4.0.5 to show the acutal stock amounts that I have.
So it's got the key code, in stock, out of stock and low stock icons.
Fabric rollover swatch and add to basket byclicking on the corresponding size/colour combination on the grid.