http://www.esreality.com/files/inlineimages/2010/78595-msie30.jpg

Reasons ?

- the wheel is better (Scroll Wheel with Detents This special scroll wheel has detents for more accurate scrolling through documents, spreadsheets, or video games. )
- the cord is very flexible, malleable, a little bit like plasticine
- 450 dpi ? no way ! it is 400 dpi

for me, people trying to get the old one, are stupid (especially Stermy lol).

Nuff said.