Hi Franz,
Syncfusion Essential Studio support VS2008 since beta version itself, such as VS2008 beta1 and beta2. We glad to inform you Syncfusion released powerful beta version of Tools.WPF and Chart.WPF products. You can get more information about the WPF products and evaluation version download details from here.
http://www.syncfusion.com/products/defaultwpf.aspxThanks for the interest in Syncfusion products.
Thanks,
Venugopal.