Originally Posted by
spockman
I'd worry less about whether similar stories have been done before and more on whether or not the characters are engaging. What's that thing they say? There are only seven basic story conventions? The story sounds like it could be interesting with alot of twists, though. If you haven't done so I'd also recommend reading plenty of science fiction detective novels. Caves of Steel is good.
The one palce I would try and be as unique as possible is how the technology works, or at least what clever applications there are for the advances in tech. People love that in science fiction stories.