Thanks very much for taking the time to so thoroughly test these various configurations. There clearly seems to be a Window Manager issue that appears to be unrelated to any FireWire problems. I'm really unsure how to attack the problem right now, as we've still been unable to reproduce the jump in Window Manager resources. I'll keep trying, though, and I'll continue to ask around.

Unfortunately, this means that we won't have a fix soon. There may be a conflict between LimeWire and another specific application, and there may also be a bug in the Apple version of Java that we're unaware of. It would be interesting to see if other Java-based applications suffer from the same Window Manager issue. Unfortunately I can't think of any that would be a simple download/install right now.

Thanks again. We're releasing 2.8.1 shortly, but without any fixes for this particular problem.