What if you could buy a piece of paper IRL that says you own house A in town B in-game? Would surely be something to hang on the wall next to a cloth map!
The best case scenario I can see for this is a graphic peeps can print out and sign themselves, kinda cool idea though.
@Razimus oh but they already added it to the kickstarter for those that pledged for a house: NEW: Printed Village Property Deed, hand signed by Richard "Lord British" Garriott