Can somone tell me why the tubes are so highly thought of yet the WPC are so much lower than solid states? In other words, why such a high price for only 25-35 watts with a tuber? How can such a low wattage give such a great sound. Want something (sterio) good for medium voulume classical/jazz in a fairly large room, currently have JBL Decade 26's, may upgrade them, but I just like the accurate highs. Currently have an intergrated Yamaha A-500 (100 watt I think? -bought used) Novice here of course. Thanks in advance, bobpaulo