Well I just took out some parts from my old laptop because it was basically mashed up these are the parts that are working from it:
TOSHIBA TS-L633A DVD SUPER MULTI DRIVE-$180.
AMD Athlon 64 X2 QL-60@1.9*2Ghz-$60.
Samsung 2GB DDR2 PC2-6400s-$60.
CPU Cooling Fan- $5 probably won't fit most laptops
Toshiba HDD 250GB @5400 RPM-$120
also have and network wifi card and keyboard all parts are internal