Anyone out there compared these two units that can offer an opinion? I have heard that the Senn unit misses the mark, but the source wasn't reliable. Since it's supposedly the same technology, I've been wondering how much worse it could be. I had an X-wire. Sold it. Regretted it ever since. Since I can't get an X-Wire and I still need the best wireless unit I can get my hands on, I'm considering the Sennheiser. Please get in touch. Thanks!!