Congratulations, Ryan! Best wishes to you and your family!
Sorry for not having been around for a while on the forums: had to travel recently to another city for my work. Hope to be back soon. So many great stuff going on here!
If you use an admin theme other then default try to switch it off by renaming its folder. You can also try checking last modified core and template files, maybe something went wrong there. Try to figure out what changes were made before this happenned.