The only interesting thing about whs is how it handles hdd(space).
I strongly advice against installing it.
Most people here probably have enough sense to install a real operating system.
Sure if you're the typical windowsmediacenter user.... whs is probably for you.
All the things he summed up can be done with v little effort and knowhow using a real operating. Doesn't even have to be a server version. Windows xp pro will do just fine.
Don't limit yourself and don't trust anything microsoft says
