Is it past salvaging? A good pressure washing and restaining can go a long way.
I know of two GREAT companies...
But one's over near Crawfordsville and wouldn't come to Fishers for a job...
and the other is in the NW 'burbs of Chicago.
Woo hoo! Another useless post from me!
-J-
I would suggest hardi plank. More durable, doesn't rot. Most siding installers can do it.