I just saw Sony DRU-500AX listed right below DRU-500A and right above DRX-500UL. Both, DRU-500A and DRU-500AX are listed for $349.99. DRX-500UL for 429.99. Same price at local BestBuy store too, just in case anyone is wondering.
Here is the link: http://www.bestbuy.com/ComputersPeriphe ... 1&scat=514
Direct link to DRU-500AX: http://www.bestbuy.com/detail.asp?e=112 ... 1&scat=514
Does the box look longer?