I am looking to do some major upgrades on my kit, specifically my microphone. I have been looking for a used Sanken CS-3e. However, beyond eBay, my search hasn't been fruitful. I was wondering if you folks have tips on where to look for used equipment. I have heard plenty of stories about $2000 microphones being found for $1000. Granted, these are rare and specific events, but even a fraction of those savings would make the search worth it.