At the 2010 Olympics you might be traveling with your netbook. A big part of being on the road is battery life. Aerofoil shuts off Aeroglass and the sounds automatically when not connected to a power source. On an ASUS 1000HA this added a whopping 1 Hour of battery life!!
If you want to check it out please try here: http://silentdevelopment.blogspot.com/2009/10/aerofoil-150-released.html