Hello. I have been working on a server project for sometime now and I am at a crossroads. The original Powermac G4 cases are too small to do what I want, so I am migrating to a PC case (Lian-li ). Anyhow, I have the choice between a digital audio and a gigabit ethernet. I have plenty of parts for both, spare logic boards, etc etc. It is coming down to this one thing: In the digital audio I can have 1.5GB at PC133 and an extra PCI slot (4). Whereas in the Gigabit model I can have 2GB of RAM at PC100 and 3 PCI slots. My question is, will the 512MB give me a big boost? The 33mhz on the RAM I am guessing won't be a ton. The OS will be raided across two ATA drives. The extra PCI slot is handy since I will have a USB 2.0, RAID, and WiFi (internet for package downloading and push). That leaves with an extra slot in case I want to RAID my OS drives. Another thing in favor of the Digital Audio is the 4x AGP slot, allowing for more graphics cards to be put in, although I won't be gaming on the thing. I am really only concerned with the drop in RAM. But the others are important as well. So, will the 512MB cause me to lose a significant amount of performance in OS X Server? Thanks!