ML installed fine yesterday, multiple reboots, everything bright and shiny. Walked away over night, pressed keyboard to resume this AM and got the login screen. Entered password, got beachball for 10 minutes. Reboot to hang and gray Apple cover screen, never gets to desktop. I've tried resetting the NVRAM but its not recognizing my keystrokes on Wireless Windows 7000 keyboard, it just will beachball if I click the mouse, never reboots a second time, stays stuck at gray startup screen. I have OWC SSD that worked great with Lion. The install went fine and I used it all day yesterday off and on...pretty sure I woke it up several times. Any suggestions before I try to boot from my old hard drive? Its an early 2009 Mac Mini with the OWC Mercury Extreme Pro 3GB SSD that's meant for it. I was getting full 3GB speeds with it.