I'm fine with giving it out on here. I'm an 03FFL and keep pretty good records so I'm not too worried about it. I've got a 1929 M1903 1313123 made by Springfield. I've got a Springfield Armory M1Garand and Underwood M1 Carbine. I'll have to get those SNs when I get off work though. I pick up my Winchester M1917 tomorrow or Thursday, depending on when I have time available.
Hopefully we score!
As for online sites, I'm not crazy about the auction sites. Seems like a vast majority of the sellers refuse to sell to CA (can't entirely blame them either) so it blocks me out of a lot of awesome stuff. Any other good wholesalers/distributers?