Discontinued Items
You're probably talking about the "Cool Brown House". It was available for a short time as a promo/tie-in for an episode of the Simpsons, similar to the recent Abe Simpson promo. IIRC the Duff race...
Forum Discussion
I hope at some point they have a special where they bring back all 'previous limited items' so we have a chance to buy them. Like maybe at the game's 1st anniversary.
