Planning a NOBO thru this spring/summer. Just got SGT Rock's 2014-2015 thru-hikers guide. Are other guides/maps recommended? I'd appreciate any advise on resupply options heading north. I know the guide covers such things but am looking for suggestions. I typically carry 3-5 days worth of food between resupply and hope to do 15-20 mile days. Any other advise or must see sights along the trail would be appreciated!