http://www.geforce.com/whats-new/articles/article-keynote/Availability
The NVIDIA GeForce GTX 690 GPU will be available in limited quantities starting May 3, 2012, with wider availability by May 7, 2012 from NVIDIA’s add-in card partners, including ASUS, EVGA, Gainward, Galaxy, Gigabyte, Inno3D, MSI, Palit and Zotac. Expected pricing is $999.
this is what ive found out as of per now, things may differ from country's ( release/prising++ )
