CSS Adapter beta 3 was released just over a week ago now so this is probably old news!!
However you should know that the bug I found detailed here is still there, so I still needed to edit a little of the code for IE6 to work OK.
However another bug I was invloved seems to be fixed, I must say this fixed bug is certainly more important one to fix so top marks to Russ Helfand on this.
Anyone who is yet to use this, I would at least recommend using it on the Menu control; I have saved around 20KB on each of my pages!!