We've been able to confirm some leaked information out of modmyi.com today that AT&T is doing us a solid by extending price protection for recent iPhone 3GS buyers by just a little bit. If you purchased a 3GS -- either the 16GB or 32GB model -- between May 7 and May 14, you'll have until June 14 to get credited the difference between the price you paid and the $149 / $199 they're charging now; if you bought it after the 14th of May, you'd have at least until the 14th of this month anyway, so it's effectively a one-week extension. If you'd rather tra