When the Spring Update for the Xbox 360 hits sometime next week, those of you that have created multiple Xbox Live accounts in different regions around the world will feel the brunt of Microsoft's proverbial hammer. With the update, new security measures will be introduced that only allow the purchase and download of content in your home region. For further details, see John Porcaro's post at Gamerscoreblog or this informational post from AceyBongos.