I was surfing thru Armslist a couple of weeks ago and ran across a 550B for sale. I shot the seller a price, he countered with $325 would buy the press, 3# of 700x powder, & around 3,000 .40 cal. cases. I jumped on it. The 550 is a older press but in pretty good shape. It came set up with a Lee 10mm/ .40 S&W die and conversion kit. I sold the brass for $80, so the press cost me $245.00. I'm not sure if I'm going to sell it or keep it. Time will tell.