The iPad 3G had a successful launch this weekend, hitting the 3G-enabled models come with a non-contractual data plan through AT&T which costs about $30 per month. The iPads themselves cost about $130 more than their Wi-Fi only siblings, but sport the same hardware plus 3G capability. Prices are $629 for the 16GB, $729 for the 32GB and $829 for the 64GB, respectively.