I might have introduced a browser specific bug or two to the text editor used for commenting on PJ recently. If you are using Safari or Opera I apologize for the inconvenience and I will be fixing the bugs tonight.
Edit: If you are using Safari or Opera you should be able to post comments now.
The blue bar alternative might take awhile to get going in Opera/Safari. I'll look into it next week.
Woah, that bilinear filtering thing in Safari (and Firefox?) is crap. What gives?