[jhale83]

I thought I would chime in here. I'm running a stock EVO as well as my fiancee. Yesterday we both started getting random reboots. She was having battery issues so I was searching for ways to improve her battery life and one of the things I came across was un-checking "Enable always-on mobile data connection" under Settings > Wireless & networks > Mobile networks (drop-down). It appears as though this was causing our random reboots. I changed both back last night (checked the box again) and no random reboots so far for either of us today. You guys might check this setting and see if it's un-checked.