Just a little update: I've got music playing in iTunes, a large file transfer going on in Transmit, iChat open talking to someone, Safari with multiple windows, and Firefox just sitting idle (wow, it's not crashing!). I also just opened Font Explorer up and activated an additional 60 fonts (up to about 350 fonts all together now). If this stays stable for a while, I'll add a little more stress by opening up Photoshop and Illustrator. At that point, it will be a pretty typical working scenario for me, and therefore a good test for the problem to arise. Here's one question I have though to derail this whole memory issue:

I've never bought RAM for a "real" Mac before. So how does it work? Can you just go on newegg.com and buy some Kingston RAM or Corsair, or some other fairly "standard" RAM, or do you HAVE to buy it from an Apple store? The reason I ask is because what would happen if I stuck my RAM in a real Mac? Would these problems be happening? Furthermore, can you change memory timings on a real Mac? It seems to me that if these things aren't necessary for a real Mac that there could in fact be some kind of tweaks done to Zeph's release so that we don't have to worry about these memory timing settings. Also, this kind of safeguard MUST have been implemented in my old Tubgirl version of Tiger 10.4.10 because wouldn't it also need to have specific memory timings if this weren't the case?? Don't get me wrong (Ianxxx, lol), I'm not trying to kill your theories, but I am still skeptical because it seems really ridiculous for every AMD user to have to tinker around with his system. And what about Intel PC users? Are they worrying about this? Or does Kalyway take care of it somehow? I really think we need to push this in Zeph's direction and see what he has to say. We have different systems! There are enough of us here now that this can't be small potatoes. There must be a blanket solution for us all. Anyone with me on this?