Great short article on GORUCK and the GORUCK Challenge (which I'm likely going to do in May).

While they are more expensive than traditional dry sacks, the superior compression and vacuum-like seal really make it worthwhile when trying to minimize pack space while maximizing protection.

I also have one of these Waterfield iPad Wallets I'd like to sell. Has the D-rings. Used it twice. Make a fair offer:

Nice to see my old backpack put to such great use.

Do a peruse through the Pack Light archives for some ideas on packing light and bag recommendations.