Macbook doesn't boot after upgrading to 10.8.3

I have a Late 2011 Macbook Pro currently running 10.8.2.  I downloaded and applied the 10.8.3 update the other day, but upon reboot I get the circle with a line through it.  I rebooted into recovery, checked disk/permissions (no problems), reinstalled the OS from the the recovery menu, reset PRAM, and tried to boot into safe mode but it still won't boot with the circle/line.  I recovered from a Time Machine backup and was up and running again on 10.8.2 for a few days.  I gave 10.8.3 another try when it nagged me, and now the result is the same again.
The disk drive is a single partitioned SSD, rebooting is fine and everything is functional in 10.8.2, but the upgrade now has failed twice.  I've searched around and haven't seen anyone else have this particular problem with 10.8.3.  I don't have AppleCare, and I'm not sure what to try next.  Any ideas?

I have a somewhat similar problem.  I have a Intel Based 24- inch, early 2008 iMac [3.06 GHz Core 2 Duo Processor, 4 GB Memory, NVIDIA GeForce 8800 GS 512 MB] where the the original 1TB hard drive failed.  I replaced it with a WD 2TB drive.  I cloned another iMac that was running 10.8.4 onto a firewire 1TB Maxtor Drive and then cloned this drive to the new WD 2TB drive.  The WD 2TB drive will not boot; however, the Maxtor 1TB Drive will boot as an external firewire device.  Any suggestions?

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    --While powered off, swapped the disks to opposite bays. Then see if the unit fully boots after about 5 minutes.
    --Try booting the unit one disk at a time to see if either disk will fully boot.
    --Try booting the unit one disk at a time to see if the firmware on the unit seems to be ok. 
    --If the unit does not seem to boot after the above, please call lenovoEMC support.
    LenovoEMC Contact Information is region specific. Please select the correct link then access the Contact Us at the top right:
    US and Canada: https://lenovo-na-en.custhelp.com/
    Latin America and Mexico: https://lenovo-la-es.custhelp.com/
    EU: https://lenovo-eu-en.custhelp.com/
    India/Asia Pacific: https://lenovo-ap-en.custhelp.com/
    http://support.lenovoemc.com/

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