How much should I be looking to spend and does any one have any recommendations for a cyrus cd8se, pre-vs and 8-power, I am planning to get another 8 power at a future date and add some pxrs but funds won't allow to purchase everything at the moment. They need to be good enough for both current and future setups. It is an average sized room about 15X12. In view of the room size should I stick to a more modest set up using the integrated amp. Any suggestions would be gratly appreciated.