There is an accessible article at Backpackinglight.com on thru hiking (usually they require membership to read articles, this one doesn't).

http://www.backpackinglight.com/cgi-bin/backpackinglight/backpacking_v_thruhiking.html

What you are proposing is essentially a thru on a road... other considerations aside, this might help you develop a frame of mind and help you with some of the gear considerations.