Normally I would not post an ebay item, but Dawn's are rare, and this one is new. I already own one and it is my summer season 40 liter pack. It has all the compromises of a UL pack, but if you want to go UL, this is a great and economical choice. Use a sitpad for a virtual frame.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ih=011&sspagename=STRK%3AMEWA%3AIT&viewitem=&item=320129327972&rd=1&rd=1