Good news for us developers: Microsoft will make Expression Blend and Expression Web available to all Premium MSDN subscribers!
Many of us have been arguing with MS that the above Expression tools are just as important to developers as to designers, and MS agrees.
More information can be found on Soma's blog, and also here
Finally I can start using Expression Blend for our WPF training! Previously I didn't want to use a tool which might not be available to developers...