Kevin Havener wrote:
> 
> Brad,
> 
> I don't think this is a problem with bad blocks on your hard drive.  I
> suspect you have a Quantum Fireball.  

Bingo! I do have a Quantum Fireball...
As you might have guessed, I'm new to this stuff. Unfortunately, I
signed onto this mailing list only yesterday, so I missed the entire
discussion about this particular problem. I found the FAQ and the
archive, so I'll search about. 

Thanks,
Brad