Mine is working from 2007, but the 300GB HDD I had failed, and I don't have the original 80GB anymore. So, I stripped the HDD from one of the launch 2005 xbox models and I'm down to 20GB. Oh well. I'll upgrade soon.
Mine doesn't make noises. My suggestions would be to not use the thing at all on a really hot day, unless an air conditioner is in the same room and switched on and isn't running off the same breaker as the TV and PS3 because that's a problem waiting to happen.
Also, keep the thing dusted and clean. Don't get it so drench that water gets into the circuits, but do clean it. Don't over-use the disc drive.








