No, not without jailbreaking your iPod 2g.
No not at the momment. 1&2G are basic and 4G has a camera and a couple other features.
they do for you
no...
2G
The rear facing camera on the iPod touch 4g is located on the left side. (Where the black Marking is on the 3G, 2G)
Any iPod Touch 2G case WILL fit the 3G. I've purchased two myself.
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!
yes its about 200$ for a 8gb ipod
yes the ipod touch 2g does come with the apps store as well as iTunes store
Yes the iPod Touch 4g Has A Camera
No, there is no camera attachment for the iPod Touch.