I've had DLNA devices for years and dealt with constant failures in various ways, AirPlay just works and changed the way I used my AV setup completely. Only a

I've had DLNA devices for years and dealt with constant failures in various ways, AirPlay just works and changed the way I used my AV setup completely. Only a personal experience but I have heard plenty of complaining from friends as well. Synology didn't seem to have much trouble adding AirPlay server support to their NAS devices and XBMC has support as a render target so I really don't see a reason MS wouldn't/couldn't support it other than NIH syndrome.