Thought I would post my research into interior paint. I am going the rattle can route and here are some of the paints I have been looking at along with their weblinks. Mine is going to be some type of grey.
Plasti-Kote Fleck Stone - Manhattan Mist (11444), Gotham Grey (11445), Pebble Creek (11467), Celestial Sky (11468)
Rustoleum Hammered - Grey (7214830)
Rustoleum Textured Metallic - Graphite (2486655)
Rustoleum High Performance Enamel - Stainless Steel (7519838), Light Machine Grey (7581838), Dark Machine Grey (7587838)
Rustoleum Textured - Dark Pewter (7221830), Nickel (7224830)
Rustoleum/American Accents Stone - GreyStone (7992830)
Rustolem/American Accents Sandstone - Moss Rock (7903820), River Stone (7909830), Boulder Grey (7910830)
Rustoleum Painters Touch - Stain Finish Granite (This is the interior paint that im Cone used on his RV-12 and is available at Home Depot)