AT&T is offering its remaining stock of 16GB iPhone 3G units for $149 with a two-year agreement, according to the Boy Genius Report. Citing an AT&T insider, the report speculates that since Apple is only offering the 8GB model via its website, 16GB units may be available on a “while supplies last” basis. Apple didn’t mention the 16GB model during today’s Keynote Address, suggesting that these discounted units are not…
