I think Iam gonna paint the mesh very rusty also, i dunno yet..
Paint the mesh black and use somekind of red transparentcy-foil behind the mesh.
Thank you guys, i really appreciate the comments... But any more suggestions about the mesh ??
I would leave the mesh as is. One of the things I like about rusted, beat up looking bios is that they're still usable, so you have this pred running round in a real weather beaten piece of usable armor, but it's still functional. If the eyepiece is cracked or rusty, that doesn't suggest that so much.
Really like the paint up though!