Nice to hear. I haven't had mine checked yet, but am thinking about it. Both of my hips are 2 years old now (29 months right, 27 months left) and I'm getting ready to add more metal to my body. I'm expecting to get a shoulder within the next 6 months (ream & run, so just the ball side...the glenoid gets reamed to produce a metal-on-bone joint), and two artificial cervical discs probably next year. I have pretty pronounced skin sensitivity to metals. Even though I'm convinced by the research showing that the body treats implants differently than dermal exposure, I'm concerned that there might be some tipping point concentration at which the immune system takes note of internal metals and reacts accordingly. It would suck to get everything wrong with me fixed only to have my body suddenly start rejecting all 5 new parts at the same time.