Have you tried checking the drive on a nother computer? It's possible that some parts of the DVD (specifically the part retaining to copy protection) may have gone bad. If this is the case, the only...

yup. as long as your mobo has the SATA and IDE ports...

You'll need to reset the NTFS access permissions to access your old data. To do this, right click on the folders in your old drive and choose properties. Click the 'security' tab and click...