Then get a Windows 8 Pro Surface. It can do everything you want except access to UNIX shell (since it’s not based on Unix). However, you can have access to NT shell.
WRT Metro. It’s either you love it or you hate it. I think it’s a fantastic design, especially in a touch-y world we’re living in now. Live tiles kicks the sh!t out of your app centric UI design of iOS and Android.
