If maximum flash storage for the dollar is what you're after, this is a good choice...
Introduction
Creative has been hawking its X-Fi sound enhancement technology hard in the last couple of years, putting it in everything from sound cards to headphones -- and now in a portable AV player. Aside from the usual voice recorder, FM radio, expandable storage, and audio/video playback, the Zen X-Fi is the first player from Creative to offer built-in WiFi. Like Microsoft's Zune, the X-Fi lacks a Web browser, which is a major stumbling block for a WiFi device, but it also lacks the Zune's wireless sync. It does, however, offer limited chat capabilities and AV streaming via LAN.
by Alex on November 8, 2009:
“Lemme see here... The audio is... simply put, AWESOME. But I could not put any of my videos on it. It did not detect any of the DiVX's, couldn' play any of my WMV and AVI's, and refused to let me put the MP4's on it. My advice? If you're after a music-centered...” More...