One thing i know is that you can not send picture messeges on it. That's pretty much it as i have one myself and i know they are fairly good.
World Domination.
Yes
iPhone 3G.
i phone is much better
iphone3g
No. Since they have different shape
it's Iphone3g
look it up on google but i think it cost over 300 dollars.
Sure, All You have To Do Is Install The Software.
Put a different sim in it and connect it to itunes
hello go into youtube and search {jailbreak sherbazhashmi} and it will give u a tutorial
http://iphone3g-mods.com/2008/08/cydia-repository-list.html