This is one of the smartest moves that iRiver has made in a very long time. No longer will you by default have to use their proprietary application to get media onto the device. This opens the way for the iRiver MP3 players to be used easily with Windows Media Player. I know several Podcasters are jumping for joy.
I was able to sync my Podcast subscriptions very easily with Windows Media player. The following link takes you to the IFP-700 series firmware download page. [iRIVER Firmware Upgrade 700 Series]