Here are two new links mentioning Aux Vol. 2, if anyone finds more, please post

http://clatl.com/cribnotes/archives/2010/09/22/olivia-tremor-control-contribute-new-song-to-aux-complilation

http://neonmusicalinsight.com/news/2010/09/22/olivia-tremor-control-return-along-with-us/