Man, this market space still feels so immature to me. This morning I was trying to get some of my son's WMA songs (from walmart.com via gift card) to either my N810 or E62-- no go. Neither device will play them. And the file management fiascos mentioned here are another gripe of my own.

IMO the ultimate solution is web-based media storage of ANY format that can be downloaded/streamed to ANY player at ANY time with NO unreasonable restrictions-- EASILY. Whoever creates that will rule the world.