no, 4g is thinner
Flawless, it's the same as with the 2g Touch.
No, not without jailbreaking your iPod 2g.
no...
they do for you
Yes, all iPhone and iPod Touch models use the same operating system, meaning the same software updates.
2G
Any iPod Touch 2G case WILL fit the 3G. I've purchased two myself.
no
if you meen Ipod Touch 2G upgrading to 3G it is Bluetooth and the Search Page! if you meen Ipod Touch 2G and the new Ipod Touch 3G it is the 64gb and voice control!
that depends on the jail breaking program u use and your software version
yes its about 200$ for a 8gb ipod
yes the ipod touch 2g does come with the apps store as well as iTunes store