Sony is now making Ice Cream Sandwich available for their Xperia Arc and Xperia Neo. The version available for the phones is the latest 4.0.4 build. It looks like Sony is doing their best to keep their promise to bring ICS to most of their Xperia devices. The update isn't available as an OTA. Instead, you will need to use Sony's companion app to get the it. Head over the the Sony source link below, then find your phone. You should find a download link when you click on your device.