After the new changes to the board I had to make some adjustments to the Ultra-MGoBoard code. Things are back up and running for the new commenting style, so check it out at https://chrome.google.com/webstore/detail/plgbhpppodkjceilgjeepcjbjdamknld or if you lose track of this post, the link is always in my signature.
Another new addition is the "Highlight User" button that appears under the "Hide User" button I implemented last time I updated. This will cause all posts by that user to be shown in yellow with blue text just like your own personal posts are now. To remove highlighting you'll have to go to the extension's options page and delete the user from the list.
You can still highlight with custom colors if you go to the options page and choose them manually.
As always, let me know if you have any suggestions.