Originally Posted by PugRider

The world is your oyster, do whatever you feel like with it! Think about what you have in your stable already, and what type of build would fill a niche you haven't filled yet. I've rehabbed a few of those style Rockhoppers, they are super easy to work on. I turned mine into a single speed MTB, and it's wildly fun. Good luck!

Specialized Rockhopper Singlespeed by Eat More Plants1, on Flickr