BTW, here are some instructions for the clip ring you'll need to pull for the outer shaft removal:

http://www.4x4wire.com/isuzu/tech/manualhubs/

You can run your finger along the grooves on the inside of the green cup. Rough with divets & grooves = worn; smooth = good.

If the only play was associated with the outer CVs, then yes, you can probably re-use the inner CV components.