Blazer patch panels

[daves71k5]

I am wanting to start the restoration of my 72 Blazer but the floor rust has reached the side kick panels on both sides, Is there anyone who sells a good quality replacement part that I can cut out the old floor and kickpanel and weld in the new without a lot of modification? Also will need part of the upper floor (by rear seat) too. Might as well throw in the fact that I will need rockers and the patch panels for the rear quarters both in front of the tire and behind. Any help would be greatly appreciated, I know I can't afford it all at once but if I have some options then I can start buying a little at a time.
thanks in advance Dave