If you’re an AT&T customer wanting to get the low-down on the iPhone 3GS launch plans, Seth Bloom of AT&T has put up the video above to help you out. Seth goes into pricing (although he doesn’t explain some of the gross iPhone 3GS pricing discrepancies), and how the $199/299 price points are only for “new and qualifying” customers. He also says that on launch day, June 19, two lines will form at AT&T Stores. One for those who have pre-ordered the device, and another for those who need to make a purchase. Pre-orders get picked up at 7 AM, which regular purchasers will need to wait until the store opens at normal business hours. Last, the current iPhone 3G is now available for $99 for the 8GB model, and the 16GB model is now selling for $149, while supplies last.