"Alright, we weren’t overly stoked with the NW-HD3 Network Walkman when we first heard about it a few months back—you know, it’s the 20GB Sony audio player that can actually play MP3s in addition to Sony’s proprietary ATRAC3 that hardly anyone uses or wants to use—but it does have one redeeming feature. It’s light, and we mean iPod mini light in terms of weight (maybe even lighter than the mini’s 3.6 ounces), at least that’s how it felt when we compared the two side by side. It’s approximately a third larger, but the same thickness as the mini, but unlike the mini’s 4GB, it has 20GB of storage space. We can’t say we like the buttons much (a bit small for our liking) or the interface (not as simple to use as iPod), but it did sound good when we played the 192kbps MP3 that Sony had already loaded onto the unit." 
Engadget has some great pictures of the new Sony Network Walkman. I actually like the color, but those buttons on the top are just too small.
CES: Hands on with the Sony NW-HD3 Network Walkman
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