This year, MicroOptical has renamed itself Myvu?now with a capital ?M??and released two new versions of its eponymous product, one called the Universal Edition, and the other the Made for iPod Solo Plus Edition. Both sell for $200 and use a redesigned version of last year?s Myvu headset, with some noticeable improvements to the prior version, as well as some detractions from it. The Universal and Solo Plus Editions differ?