Filed under: Portable AudioAccording to news out today, Napster is attempting a fevered slide back into the game with a relaunch of its music-download service, featuring a heavier emphasis on web-based streaming capabilities. The new "4.0" platform the company is touting boasts improved compatibility, as playlists and content and be accessed from any computer, without the use of additional software -- though if you want to get that music onto a player, you're still stuck with Napster's proprietary application and list of compatible players. In addition to the accessibility revamp, the company says it has further plans to embrace DRM-free music in 2008, which ma