Almost none of the paid stylesheet loads in, Drupal has some very basic css and that loads in. You can see the webpage at www.vendingmix.com
you can view page source from a browser and all the css is there in IE8/9, FF and Chrome browser's. And the different version specific stylesheet's are loaded in with the correct browsers (e.g. the IE8 special stylesheet is loaded is loaded when I am using IE8/XP and not when I am using Chrome, FF or IE9/WIN7).
When I look at the page source when in I am IE8/XP you can see that it is like IE is ignoring everything from line 50 on, (the paid stylesheet stuff starts at 50).
I have tried un-commenting the style stuff from lines 118 to 138 and it makes no difference, commented out or not it still won't work in IE.
I am totally stumped
PS If you would like to see any of the individual css templates or the php file that loads them in just ask and I will attach them.