My tree is only about 3000 people and I've been getting these Out of Memory errors. Although, of late, it just seems to up and crash (window just disappears; usually Task Manager says its still running) instead.
"We should remember that this is not purely an FTM problem, but how FTM uses the underlying MS framework functionality."
Yes! I think they may want to ditch their reliance on MSIE as their browser and various MS linkages. Mozilla comes in many flavors and is far more stable.