CPUs and Typical FSB Specifications
Processor, Class, FSB, Frequency, Theoretical Bandwidth
Pentium II 66/100 MHz 533/800 MB/s
Pentium III 100/133 MHz 800/1066 MB/s
Pentium IV* 100/133/200 MHz 3200/4200/6400 MB/s
Athlon** 100/133 MHz 1600/2100 MB/s
Athlon XP** 133/166/200 MHz 2100/2700/3200 MB/s
Athlon 64*** 200 MHz 3200 MB/s
Athlon FX*** 200 MHz 6400 MB/s
Opteron*** 200 MHz 6400 MB/s
Time to upgrade. The above chart describes how much info(theoreticlly) can be moved around your system using more up to date hardware. Your system would probably be a Pentium 3. Memory is important when doing graphics but your problem starts with the CPU and just backs up from there. Modern graphics software needs modern hardware. Apples are good computers but way overpriced. Buy a close to top of the line AMD 64 system and you'll be very happy and $600 wealthier!