my uncle has a library collection of over 700 cds, so i decided to buy him a Apple Macbook and have started ripping the cds in FLAC format. now i would like to get the best possible sound out of the MAc to teh stereo system. what should i get. ive heard of external DACs, or the Slimserver? what do you guys recommend to do, to get the best quality sound. cost is no object.