Autodesk have commenced shipment of the 2015 version products out to customers, with the suites to be released shortly.
Customers can now access the Autodesk Subscription Center and request physical media to be shipped, as required. You can also go to the Subscription Center to download your 2015 product/s.
We recently presented the key new features of AutoCAD Civil 3D 2015 (so, AutoCAD, Map 3D and Civil 3D). Below is a link to the Powerpoint that was included in the presentation:
What's New in Civil 3D 2015