Hi Everyone My girlfriend currently has a G4 that's around 3+ years old. It's starting to go and she needs the hard drive replaced. It will cost 300 dollars. I told her at this point, that's silly to put into a computer that old (just my opinion). I have no intention on upgrading, but it just so happens that I DO have a macbook, and while it may not pay for her to ugprade, since she doesn't need any of the nicer features, we decided maybe it might be a good idea for her to buy this one off of me, and I get a new macbook. We're trying to figure out the market value for my old macbook, to see if it's worth it. I don't want to see her put 300 dollars into her computer that the mac guys said won't last much more than a year anyway and has multiple problems. So here's what I have. It's the Macbook Core Duo. NOT the 2. One of the first of it's kind i guess It has a superdrive, not a combo drive. I have it upgraded to leopard and it has an 80GB HD, not a 60. It was the top of the line macbook (at the time) 2GHZblack one. I've upgraded it to 2GB of ram and I also have around a year and a half left of the apple protection plan. So, I give her a year and a half old computer, with a protection plan so she doesn't have to worry, extra ram, and she doesn't have to freak about her computer that's on the fritz. She's a writer, and not exactly a tech freak, and I worry about her losing everything because her computer is about to go. 300 bucks for a new hard drive? I can't rationalize that for a computer her age with problems that it has. On that note, would an upgrade for me be worth it? Is there a noticeable difference between my first generation macbook intel core duo and the new processors?