Though unconfirmed, we think you'll agree that these Madison Avenue Spy sample sale rumors are too good not (and likely, too credible) to spread. According to reports, Metropolitan Pavilion's private Christian Louboutin sample sale is this week. (By private, we mean that last year, invitees had to R.S.V.P. via e-mail and confirm a time to shop. Chances are, joining their e-alerts mailing list list won't help you score a coveted invite.)