Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_2_1 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8C148 Safari/6533.18.5) I'm using a Mac mini 2010 for my HTPC. What considerations should I use to upgrade my external HD. Rpm, buffer, brand, connectivity, etc. Is there an advantage to NAS? All input would be appreciated. Thanks!