I just wanted to give you guys a heads up, the MW6513 is in stock. I believe that the popular oppinion was that Polk CS was out of the MW6513 but I just ordered 3. The rep said that there were "plenty" in stock.
The bad news is that the MW6510 is indeed out of stock and will be replaced w/ the MW6503.
This was my first time dealing w/ Polk CS they truly are a class act. Very freindly and informative.