Ahhh, I don't know anything about our partner-facing websites, sorry Sad

In the area that I'm in, I can think of a couple of recent case studies that showcase our use of our own technology:

"Exchange Server 2003 Site Consolidation"
"Next Generation Headtrax"

And while finding that Headtrax reference I stumbled across a page with a LOT of other Microsoft showcase papers - check it out! "Microsoft IT Showcase"