The great grand-daddy of eclipse chasing is Fred Espenak, aka Mr Eclipse. Everything you'll need is here including maps, weather, exposure guides and how-to stuff.
http://www.mreclipse.com
If you have a larger lens or small scope consider the Skywatcher All View mount; it's altaz but if you level it, set your coordinates and do a one-star alignment (sun) it will track well enough from that. And it's sufficient for any DSLR and lens combo or scopes up to 90mm.