I sit at work thinking I have the "most update" whatever to do whatever, tranfer doc to dvd's or cd's. Heaven forbid anyone to provide information as it's sacred. am told DVD's hold more info, slide the dvd in.. oh, turns out my "HARD DRIVE only does CD"--- yes, I would love a class in pc 101... where can I find it.. and now i see drives vs writers.. what's the difference there???? please help