whitedragon551 5,000+ posts
Moderator
I just picked up a cheap set. I got the PG RSD5cs. The 6 inch set can be had for the same price as the 5 inch set. $39.99 shipped on Amazon.
http://www.amazon.com/s/ref=nb_ss_gw?url=search-alias%3Daps&field-keywords=rsd5cs&x=0&y=0
http://www.amazon.com/s/ref=nb_ss_gw?url=search-alias%3Daps&field-keywords=rsd5cs&x=0&y=0