Music system: Suggestions needed

Anyone has any good suggestion on which music system to buy. Price range 25K. It would be good if you add a web link for the product you suggest. I like Sony generally but I have heard that Bose is good too. Systems which can be upgraded or accessorized later will be my first choice. I plan to make a complete home theater but in a staggered way. Be frank to say if I am asking for too much.