I've owned two pairs of Maggies - a very early model that I bought in the mid-70's and a pair of 3.6's that I got last fall. The 1970's version sounded great until it failed when it was about 6 years old from what I was told by the factory was an overly UV-sensitive glue. The 3.6's are delightful. I use them in a room that is about 14x20 and (just to enter into the power debate) I started off running the 3.6's with a 100 watt solid state amp, decided I needed more power, switched to a 350 watt SS amp, which definitely sounded better - but now I'm using a 100 or so watts per channel tube amp (all McIntosh amps), which sounds the best of all. I'm not sure whether the differences among the amps had to do with raw power or just to better design as I moved from one to the other. Bottom line from my experience is that different things work, some better than others. I suspect that quality of design (whatever that means!) trumps raw power with these speakers. Try to buy at a price that won't hurt you if you decide to experiment with something else.
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