I want to get a mac mini as a server/media hub/normal everyday use. Should I get cheap one and add 2 tb hdd by hand or get server with 2 * 1 tb and better cpu? i'm looking to use it for 4 years before upgrade. Is there going to be heat problem that cause low life cycle if I get server? I know I can wait for new one but i'm sure new guys make it worst. Please help me choose the best one.