I play with the x-20s and have had pretty good luck with them. Callaway has a great preowned website
www.callawaygolfpreowned.com
you should check it out if you haven't already (I assume other company's do to). I bought my clubs new, but have since purchased forged wedges from the site, and wish I would have bought my irons there and saved some money. The thing with buying new is the clubs only look new for a couple of rounds. Plus the freedom to piece your set together is an added bonus. I got my irons at a box store and they limited my selections (i.e 4-PW, 4-PW, SW/AW, 3-9). I hit a 3 hybrid so that rules out the 3-9 set additionally like the feel of forged wedges from under 120 so that rules out the PW/AW/SW. Long story long, I was left buying an extra club.