I am finally upgrading to the 6 core. I'm planning on recycling the g5, but is there anything I should pull out of it? The superdrive as a 2nd one for the mac pro, or have they changed significantly? Also, I am planning on buying some 3rd party RAM, either 2x4GB or 2x8GB. I see that I am starting from 3x1GB. What do I do with those 3 1GB sticks, just ditch them?