http://www.businesswire.com/portal/site/home/email/headlines/?ndmViewId=news_view&newsLang=en&div=1162103412&newsId=20090701005204 There have been a couple of changes, pricing of the upper two models(not the 09) have been reduced, as well as some internal chassis redesign. With the announcement pioneer seems to have a gap in their price points of $800 between the upper two and the lower two.