Microsoft is holding the Surface 2 event on September 23rd which is in two weeks time, where we will see the 2nd generation of the Surface RT and Surface Pro.
Someone close to the company also said to the Verge that Microsoft won’t be launching a rumoured Surface mini. The Surface RT will be dropping the RT name and Microsoft is said to be using Intel’s Haswell processor to run the Surface Pro.
The Surface 2 is expect to have a 1080p display and be powered by Tegra 4 processor. Both the Surface 2 and Surface Pro 2 will be announced at the event.