I am a newbie to this great site here. I'm an old guy and having hammond organs all my life I am amplifier/soundsytemstupid. Never had to worry about it....Leslies met my needs. But now with the 910 and doing small rooms and things like pool parties outdoors, I need amplification and the ability to throw sound. Because of Yamahas quality I was just going to go with the PAS500 system on stands and get it over with. I dont want to get into all the techytalk about things I frankly do not understand because as I said I am ampstupid. THen I run into a guy at Guitar Center who recommends highly, the QSC15 product. THe reviews people give this brand are very strong...been told Bose for keyboards is not a good idea...I dont need the power that the QSC supposedly has and I like the way the PAS500 travels and the control panel being removable and placed on my B3. Is the PAS500 a bad choice for my small room small outdoor venues? What else should I consider? Thanks much for your help