UNIX is built on midium-level tools like scripting languages, and it simply rocks. People who think UNIX is a hairy mess simply have never used it.
It'd be so nice if someone made a new "native" shell for Windows that would integrate into Explorer, without needing Cygwin. Being able to type in shell commands in a status bar underneath all the icons would be soooooo nice.
C'mon, these are the things I want to see in the new AmigaOS! I had fond memories of AmigaDOS when I started using MS-DOS, but I never realized how limited AmigaDOS was until I started writing scripts for Linux web servers.