Thanks Denny, I appreciate it. I will let you know if anything changes. To recap:
The WPOD (White page of death) is happening on two different machines, at what appears to be random intervals. Both machines are MAC's running 10.6.4 and Safari 5.0.2 One machine travels and experiences the problem in different locations, to include different continents.
Loading posts is never a problem. Pages affected are, in order of severity: Everything on the left side of the profile page (but not the profile page itself) replies, and writing pm's