Dart Suspension Rebuild Kit on Ebay Opinions

Do you need to rebuild the whole thing? If I were you I'd go piece by piece and only replace what's needed.
To tell you the truth, I'm not a suspension expert by any means, so I have no idea really what, if anything, (besides shocks, I know I need shocks) needs to be replaced. I was thinking that eventually, I would do it all just in case.