Aqua-Soft Forums1. Fonts dialog - Your favourite dialog box from Windows 3.1 has been carefully preserved down to the last pixel. You’ll never feel too lonely knowing you’re sitting along with many of your 15 year old legacy friends.
2. Removal of “My” prefix for document folders - Your documents, pictures and music are now public domain.
3. Flip 3D - See how your TPS reports look from a different angle. (This is clearly the pivotal feature easily gaining extremely rapid business adoption worldwide.)
4. ReadyBoost - Putting your too many freebie USB drives to good use.
5. Transactional NTFS - A power failure will not corrupt your bittorent downloads.
6. BitLocker - Prevent unauthorized viewing of your YouTube videos if your laptop is ever stolen.
7. Priority I/O - You can defragment, download from bittorent, watch Lost, run Norton anti-performance 2007, process some SQL queries all at the same time.
8. SideShow - Turn your $3000 laptop into a bling-bling boombox.
9. Improved networking stack - Out-ping all your XP n00b friends. Frag & pwn harder in CS.
10. Speech recognition - Write letters to your aunt about criminals without touching the keyboard.
11. DirectX 10 - Crysis, nuff said.
12. DRM - You can’t listen to downloaded MP3s anymore. Only kidding.
13. Parental controls - Restrict your parent’s usage on the computer.
14. User Account Control - Makes you feel like you’re in control of the computer.
15. Sidebar - Check the weather without looking out the window.
16. Search - Allows you to find things on your computer, if you ever happen to lose them.
17. Aero - It’s translucent. What more do you want.
Source: http://www.istartedsomething.com/20061103/17-reason-vista/
P.S. 2nd, 6th and 15th made me ROFL.