FYI ceg, the settings you're using are what's best for YOUR system. What works for you won't necessarily work for others. Not really familiar with what they put into macs these days, but the GSdx and rendering thread settings will be different
I know, but he could start there and begin trying stuff. Thank you for you help by the way, I'm happy reviving these memories, feeling, and playing ACX and ACX2 for the first time.