Iirc, 4GB and 8GB were both released at the same time for $499 and $599 respectively. Then a couple months later, they drop the 4GB from the line up (it could be found at Walmart for $299 on clearance), dropped the 8GB down to $399 and released a $499 16GB model. 8GB just wasn't enough for my music so I managed to skip that drama and went directly with 16GB.The iPad 3 & 4 issue and when Apple released the 1st generation iPhone with 4GBs then later 8GBs while dropping the price of it. And the iPhone issue came under Steve Jobs