Yes, it's $20, but at what point is it worth it to put another $20 into it when you can buy a brand new better performing 500GB SATA2 internal drive for under $50? (with the per-GB price going down as you go larger).

I guess the value proposition is subjective and personal.

The internal method is probably free if they have the cable they need, or very cheap if they don't. (assuming a drive slot is available and IDE exists and is not maxed out already.) Still, I wouldn't do it unless the drive had some archival data I wanted to keep around for backup purposes, and in that case, I would probably go with the external enclosure or bridge Yes, that is subjective and personal too.

-David