The ExtremeSwitching 200 series has started shipping. We've created a Frequently Asked Questions article in the GTAC Knowledgebase.
The 200 series includes the 210 and 220 models. Additional product information (including data sheets) can be found on our website: http://www.extremenetworks.com/product/200-series/
If there are other questions you have, the product teams will be monitoring this thread. You can also contact your sales team.