Haha, that RV / Boat idea instantly worked, there's at least 3 right near me. Their websites say Classic Auto Upholstery and Restoration, and yet I had been searching with those terms and got nill! Thanks!
Metal work on the interior is actually done, I'm just shooting the last few coats of paint before I clear coat the dash.
Once I get some quotes, I'll have to decide if I should try it myself or pay for it. It's flat metal all the way down, so it shouldn't be TOO hard. The sewing and fastening + supplies is the scary part for me.