Out of curiosity, where do you live? City and State would be nice. I'm not saying your problems are entirely due to location, but I just wanted to see. Me, I live in San Diego, CA which was one of the first cities to have 4Glte. I also live in a valley where connections change from room to room. It's been like this since I changed from Clamshell phones to Candybar phones.
Agreed as I'm in Tampa and haven't had drop issues here, only when I traveled to the stix down south and the bionic was searching for some sorta signal.....but here in tampa bay I'm cruising 4G and my rooted bionic has mountain dew in it's veins....FAST FAST FAST......
But thinking of an upgrade in July? I think unless you hate your Droid X simply buy another until you're upgrade arrives...