MessageStorer (http://www.handango.com/ampp/store/PlatformProductDetail.jsp?siteId=308&platformId=4&productType=2&productId=159419&sectionId=0&catalog=1&topSectionId=-1) from Symbianware (http://www.symbianware.com/product.php?id=messagestorer80) lets you save your SMS, MMS and email messages to a text file so that you can archive them or send them to a PC. You can select which folders and messages to include in any export and then send to a nother device via email, Bluetooth or Infrared.

http://www.symbianware.com/res/messagestorer80/ms1.jpg