Submitted: Jun 29, 2008 - The launch of the 3G iPhone is a little over a week away. With all the promotion that Apple and AT&T are getting, other carriers and mobile handset developers have been releasing touchscreen phones like crazy. From Blackberry to LG, there are tons of touchscreen handsets that will hit the market this year in order to take ground from the iPhone. However, they're missing something very important.…