Windows 7 will have many improvements, some of which are shown off in this video, none of which are all that amazing but good to know none the less.
Screen & Animation Capture
Disk Usage Analyzer
Website, Blog and Portal Designer
Coming Soon (presumably in a later video):
Exactly, like I said, nothing revolutionary but I do like the idea of a website, blog and portal designer and a unified password manager (like OS X’s Keychain) would be awesome.