Pretty neat top-ten list: Ten gadgets that defined the decade -- Engadget
If you don't care to read it, Engadget listed:
- Canon Digital ELPH (2000)
- Apple PowerBook G4 (Titanium) (2001)
- Microsoft Windows XP (2001) / Apple Mac OS X (2000)
- Apple iPod (2001)
- TiVo Series2 (2002)
- Motorola RAZR V3 (2003)
- PalmOne Treo 600 / 650 (2003 / 2004)
- Microsoft Xbox 360 (2005)
- Apple iPhone (2007)
- ASUS Eee PC 900 (2008)