Thank you for the replies. I purchased the Jolida/Black Ice 3502s with the Rike paper oil capacitor and Naked Vishay resistor upgrades a couple of weeks ago from Underwood Wally and I am very happy with the sound. This unit is very musical and well built with an excellent all metal remote and I don't feel that Jolida/Black Ice gets near the recognition they deserve and are a great bargain at their asking price. I am using the stock EL34's which sound very good and I would like to try KT150's in the future. BTW Underwood Wally (Walter) is one of the good guys in audio and would not hesitate to deal with him again.