Sounds like you are on the right track gear-wise

Some web links

http://www.bushwalking.org.au/FAQ/FA...ightweight.htm
http://www.ultralightbackpacker.com/
http://onestep4me.tripod.com/
http://www.backpackinglight.com/
http://www.trailquest.net/ultralight.html
http://www.adventurealan.com/
http://www.bright.net/~mziegler/Befo...ikepacking.htm

There's another link I can't find, file called bikepack weight or similar, from this website http://www2.arnes.si/%7Eikovse/index.htm
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Found it: http://www2.arnes.si/%7Eikovse/weight.htm
He describes a stripped-down backpack. Attachment could be improved. Weight could be halved with different materials.