I recently purchased a Dell Dimension E510 with 512MB Dual Channel DDR2 SDRAM at 533MHz (2x256M) and 80GB Serial ATA Hard Drive (7200RPM) w/DataBurst Cache. I bought it with the intention of later adding more RAM and more hard drive space. My question is if I'd be able to add a Maxtor Ultra Series 250GB Internal Hard Drive. How does that work exactly? Does the computer recognize it as simply more hard drive space? Would there be enough space in the computer to add this hard drive AND later add 1-2 GB of RAM? Please help!!! I apologize in advance for knowing absolutely nothing.