Hi Robert Lindsley!
I have an article here for you that can inform you on creating a GUID partition so that you can perform this update:
Thanks for being a part of the Apple Support Communities!
Thanks for the response! It looks like I'll need to back up my data, reformat my startup drive to GUID and restore my data.
I have a 1TB HDD so this will take me a couple of days. I'm guessing I'll skip Mavericks, and maybe by the time they release their next OS I'll have done all that computer maintenence