Would this setup work? I'm renovating my apt. and want to be able to stream music in other rooms. So I am thinking of buying a Sonos wireless speaker system, which will stream the music off a HD. Since I'd rather not keep my iMac turned on all the time, I was thinking of storing my music on an external hard drive connected to my Time Capsule. But, I wondered if I could do this - if I used my Macbook as my music storage device, could I connect it to the Time Capsule and treat it as a hard drive? Could I keep the Macbook turned on with the case closed? I would like to buy another Macbook, so this means I could use my old Macbook and wouldn't have to buy an external hard drive. Sorry if I didn't explain this clearly enough - but perhaps someone reading this has tried the same setup. Thanks.