Yes, HeyTell works from iPod Touch to iPod Touch. If using Medium or High privacy, you can connect using email (if email is set up on the iPod), or you can set privacy to Low, connect using matching...
TextNow, Text+ and Skype are all good FREE apps that you can both text other ipods and phones. Many people say Skype costs money and it does . I use all of these, they all are great but I recommend...
Well it depends what you would use your iPod for. If it's only going to be used for listening to music, I would just get an ordinary iPod. Although, if you want to download games and access sites...
Yes you can. Just go on safari and on top right type in jailbreakme. Then scroll down to jailbreakMe 3.0 OR jailbreakMe 2.0. (This might not work but try.) COMPLETELY RISK FREE. It will NOT mess up...