Klipsch Thx Speaker

Should I buy the Klipsch Quintet III or the Polk RM 75/85?

After a bit of reading, I kind of narrowed down to Klipsch Quintet III or the Polk RM 75/85's. Before I make a purchase, I deftly want to hear them out and I am just not able to find a audio store where I can do this in Houston.

Both of these have good reviews and I am really not sure which one of these should I buy...What would be your option? I have a Pioneer 21TXH.

Which store in Houston can i go and hear them out and which speakers among these would you go for or are there any better ones out there ( $500 - $600).

Thx.
I am visiting US and plan to take back home just 5.0 speaker system rather than 5.1. I intend to buy the Sub back home.

I like Lances suggestions. I knew that Klipsch bought them out, but I didn't realize how cheap they were right now.

However, I would like to point out that the most inefficient part of any sound system is the speaker itself. Only about 2% of the energy put into a speaker actually produces noise. The rest produces heat. So the speakers are the aspect of your sound system that you should really be concerned with more than any other. A really nice receiver with crappy speakers will always sound crappy. Personally, any time I look for a sound system (receiver and speakers), I plan on spending no more than 25% of my budget on the receiver. The rest goes into speaker. Buying speakers that are cheaper than your receiver is like putting go-cart tires on a Ferrari. Nice engine, but you will get crappy performance in the end.

These are at the top end of your budget, but I think you will find that they are a beautiful sounding set of speakers for the price.
http://www.wwstereo.com/website/ecommerce/productdetail.aspx?product=S506HCS3SYSTEM
Still, you may want to consider something a little more high end and get the most out of your receiver.

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