I work as a hardwood installer/finisher in my free time (ie whenever someone offers a job). I would go with real wood. I installed pergo once and will not install it again. It sounds like a good idea in theory, but really it's junk. Hardwood can be inexpensive and beautiful (if the person installing knows what they're doing)! Not to mention it's easy to refinish and have it looking new in no time!

Wow; I now know a lot more about floors than I did when I woke up this morning!

My bass player chimed in that he hates the sound of walking on Pergo.  
 
Oh boy, I never thought of choosing wood flooring for it's tone!  That's an interesting idea LOL  Gives borth to the idea of Tonewood Flooring.

Yep,
I second that. The Plic-plak sound is just like walking on cheap plastic. Which of course, that's exactly what it is!

How about a tonewood house? 20-some years ago, a friend of mine ( a guitarist) hired 2 buddies (cabinetmakers)to help him redo his place.  They referred to it as a love affair with wood.  You should have seen it - pretty much the whole interior was maple, walnut, mahagony, rosewood, ebony - incredible!  (I guess you can afford that kind of thing with a Number 1 single under your belt.)
Peter