How difficult would it be to put together an external drive case/interface for my old 20gb HDD?

[dug777]

Cheers,

Dug.

 

[w00t]

its easy get a hd casing for it plug the hd into the case than the cord into the computer.

 

[Fullmetal Chocobo]

Do you mean completely build one? Or get an enclosure, and use it with your 20gb? If the later, very easy. If the former, good luck, cause I have no idea.
Tas.