I would go to the Sony site, if you want to keep it a Sony, and see what they have. Or just Google it. For the best sound, I wouldn't get an integrated system (one with a built-in blu-ray player) because they typically have passive sub-woofers which draw their power from the player. You'd be best to get one without a built-in which means it will have an active sub-woofer (it has its own power supply). Also, if you keep it a Sony, carefully check out the speaker connections. Sometime they use proprietary connectors which makes it difficult to upgrade the speakers if you want to. Ideally, the receiver would have 5-way binding posts for speaker connections which can take virtually any type of speaker connection, be it bare wire, banana plug, etc.