Just announced at the Bitfinex Blog:
Today, after a long road to recovery, we are happy to announce Ethfinex – a community & information hub to facilitate Ethereum-based discussion, analysis & trading. Our vision for Ethfinex is rooted in the events of the past year, and we are excited to be able to share this moment with all of you.
This is quite obviously great fundamental news for Ethereum, although it's likely to take some time for this to translate into the price of ether.
Here's the relevant links to the: