If you had a balance in your Cryptsy account when the exchange went down, you were probably pretty pissed. Hopefully, the class action lawsuit will help you get something back. To enter, fill out the form here: https://cryptsysettlement.worldsecuresystems.com/submit-a-claim
I highly doubt you'll get anywhere near what you left on the exchange back, but at least it should be something. They are supposedly accepting wallet transaction logs as proof of deposits to cryptsy, if you didn't take a screenshot of your transactions or trades on the website.