On this week's IGN Xbox podcast, we discuss running out of Xbox One hard drive and what decisions go into choosing an external hard drive to buy. Plus, rumors suggest that both Rock Band and Guitar Hero may be returning for the new consoles (and why we're FREAKING OUT), Microsoft makes a genius move to partner Forza with Fast and Furious, Batman: Arkham Knight's 'M' rating, why MMOs are finally hitting Xbox consoles, and much more!