Just want to share with you guys the fun of DIY 
Orginally was a 1.83GHz C2D with 1GB RAM, 80GB 5200 HD, and a Combo-Drive
2GB RAM = US$20
320GB HD = US$100
8X DL Super-Drive = US$50
Now, 1.83GHz C2D with 3GB RAM, 320GB 7200 HD, and 8X Dual Layer Super-Drive
Next steps, will upgrade the CPU to 2.33GHz
Orginally was a 1.83GHz C2D with 1GB RAM, 80GB 5200 HD, and a Combo-Drive
2GB RAM = US$20
320GB HD = US$100
8X DL Super-Drive = US$50
Now, 1.83GHz C2D with 3GB RAM, 320GB 7200 HD, and 8X Dual Layer Super-Drive
Next steps, will upgrade the CPU to 2.33GHz