You will like the Adventurer when you get it. Buy some extra lithium batteries & carry them when backpacking...just in case.

For raw water, before UV treatment, I use a #2 coffee filter & small, soft plastic funnel to kep out things like flukes, bugs, etc. I use my drinking cup to fill my water bottle with raw water then I fill my hyration bag with the treated bottle water.
You'll work out your own system after a while.

Also I carry a half dozen Katadyn chlorine dioxide tabs as a backup in case I got clumsy and managed to break the Adventurer. <img src="/forums/images/graemlins/frown.gif" alt="" />

Eric
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"There are no comfortable backpacks. Some are just less uncomfortable than others."