Living Sounds Audio Standard Integrated Amp answers your needs for a great, upgradable, 2 channel amp.  Iron fisted control on the bass, yet delicate and fast on the highs and mids.  Lots of great reviews and a Stereophile recommended component.  High current design with massive power supply, yet delicate tube sound from the tube preamp.  Specs:  150+W/ch at 8 ohms (all driven), 300+W/ch at 4 ohms, 500+W at 2 ohms, stable to 1.2 ohms.  Distortion less than .1%, Noise less than 90db, uses 6922 tubes in preamp.  Upgrades to the Signature and Statement versions when you are ready.  For reviews and more info see: http://www.livingsoundsaudio.com/ 5 year warranty. LIST PRICE $4999.00