Developed in conjunction with the world's largest NOR Flash provider, Spansion, the R280 boasts 8GB of flash memory, miniSD expansion and a 2.83-inch QVGA screen.

ENGADGET: Hacha's R280 DAP holds 8GB of flash with style

Whereas SD Card Association worked with mobile handset manufacturers to develop the miniSD and microSD standards, Sony went it alone and missed its mobile opportunity.

FORBES: Betamaxed: Sony Flushes Its Flash Card Down the Memory Hole

Upgraders might lament the move from miniSD to microSD, but going forward, it's a good thing -- microSD's clearly the standard of choice for phone memory expansion.

ENGADGET: Hands-on with the Sprint Mogul by HTC Mobile