Oh, it gets better. After spending an entire day trying multiple uninstalls/re-installs, Registry scrubs (automated and manual) I've decided to resort to the ultimate sacrifice. A total wipe of my system. Not a BIG deal since 90% of what I do is Sims related, so it is my priority with maintaining my system. It's okay. There were some other housekeeping items I wanted to do anyway.
So, running a full backup of my Docs folders (crap, forgot to grab stuff from my Downloads) then run the system reset command. WooHoo. All this fun and it isn't even the weekend!