Ipod touch vs. iphone (uk version on o2) - are they identical bar one having a phone or not - which is better?

Will it have 3g, how quick is it on internet, how nice is iphone compared to most normal mobiles on the market currently?
Answer
Iphone is not 3g so will be slow browsing the internet. you cant send picture messages of photos that you have taken either.personally i would buy a decent sony ericsson or samsung phone and have seperate ipod. and you will be forever cleaning the screen what with touching it all the time