I switched from the Bionic to Rezound and have not looked back. I was having issues with the Bionic losing data service regularly (as in 2-5 times a day, requiring a variety of manual changes to get it back). After 60 days of Verizon promising a software correction I finally had it and insisted on a different phone. After escalating to a tech support supervisor's supervisor they did the right thing and sent me a Rezound.
Funny thing is, they initially wanted me to use an upgrade from another one of my lines to get a replacement phone. Then they wanted to send me a refurbished Thunderbolt. But they eventually agreed they sold me a phone that wouldn't work for its intended purpose.
I was hesitant at first, as I loved my Bionic other than the data service issue (which is a big deal), but the Rezound is awesome.