I have the inexpensive polk "R" line and find them to sound quite nice for the price, I paid nearly nothing at outpost
As for the YPAO, I was not impressed with what it did for me either. It set my crossover too high and my fronts to large (they only have a 6 1/2 woofer!!!). I recently did it all manuallywith an SPL meter, setting the crossover to 80. I calibrated my all my speakers to 75 DB and the sub to 80 DB. It sounds hugely better now.
Another thing, never set your sub level above half when calibrating. All the way up is waaaay too high.
Pat