Before checking my Adsense account I went to look at some of the Adsense-related boards and found that there were more postings about "payment in progress". This is always a good sign because the more that people post from the US that they have received their "PIP", the more likely that my "payment in progress" line is not too far behind!
So I noticed that there were a few more postings about the "PIP" and then I read them and noticed that a few people from the US had posted, I kept my fingers crossed, went to my Adsense account and lo and behold I saw it!
Payment In Progress!
Hopefully if you are also an Adsense publisher you will be getting your PIP soon - as well!