I have a red 2nd generation Nano and an almost perfect condition black 1st generation nano, and after comparing them for a while, i really like the 1st gen scrollwheel a lot more. Is it possible to transplant a 1st gen wheel into a 2nd gen nano?

(terrible rendition of the outcome attached)
MacBook Pro Intel Core Duo 2.0ghz, 1gb ram
Dell 228WPF 22" monitor
Mybook Premium 320gb
iPod Nano 4gb (red)
Wacom Intuos3 6x11