Well the iPod 5 is the new generation right now. The ipod 4 is like an old generation. So its better to get the ipod 5. Its your choice.
5 i think
no but you can get it on a iPod 5
no.
If you are trading your iPod 4 for the iPod 5, you can may be add an additional 20 dollars depending on the current status of the two.
the 5 is thinner
You cannot. The iOS 5 update is only for Iphone 4, iPod touch 4, iPad 1, iPad 2
no
The 5 is thinner. The 4 is .28 inches thick, and the 5 is .24 inches thick.
No. the Ipod Touch 4 gen. is the only iPod touch w/ a camera. But the iPod Nano 4 and 5 gen. also have one (note: not all iPod nano 4 gen. have a camera.) Im not so sure the iPod Nano 6 gen. has one, tho.
Only if you use a diamond cutter from the mines of Peru
No, the camera was added when the Touch 5 was released.
no