I've gotten my soft tops off craigslist. The last one was a brand new premium top for $400. Patience is key.
I would suggest not getting a top older than.. 2012 I think was the year when they switched to the spring assisted version. So much nicer.
If you have money to burn, get the new bestop that are the same as the new JL soft tops. No zipper and everything just works nicer. That I think is the best top out there for JKs right now.
The Supertop Ultra is our most advanced soft top for the Jeep Wrangler! The Supertop Ultra can fully retract with our patented guide track system. The enhanced Sunrider sunroof bathes all passengers in open air. Patented lift assist makes it simple for one person to shift the top from fully...
www.bestop.com