Ok well
I got both in case you dont know

Here what it comes down too

Pros (Zune) :
Nice Screen
Wireless Zune to Zune sharing
Easy to use
Grrrreat Sound
Nice Video
Cool Features
Hard to scratch up
Radio works great

Cons (Zune):
Zune software is kinda confusing @ first
Freezes twice as much as Nano
Can only share 3 songs every 3 days (Microsoft is fixing it , too make it unlimited)
Kinda Bulky



Pros (nano):
Easy touch wheel control
Cool Features
Nice Screen
ALOT of accessories
Nike + Ipod
Small and slim

Cons(nano):
EASY to scratch
Freezes
Software Freezes


So yah overall i love my zune i would recommend it too anyone