ok this is my first tube amp purchas but idon't want to make the mistake of buying somthing mediocore,I want to know what your opinions are one what is the greatest tube head around offering great diversity within, and is under $2000 canadian. key pionts i need are ability to get extreme not modern but extreme gain decent clean and minimum hum/noise. I hope this isn't too tough a question for it is my fist thread. :o