When the HDV 1080 and HDTV 1080 document presets were combined the HDTV pixel aspect ratio never changed from 1.33 to 1. The HDTV 720 has the proper square PAR, but the 1080 still has the old HDV one. This is only a cosmetic issue, as it affects the AI ruler, but not the shapes created or when art is imported into after effects, but it is still wrong when you're trying to measure distances using the Guide Ruler.