The next-gen Surface tablets are almost here now. Microsoft has sent out invitations to a launch event in New York City on September 23rd when it is expected to unveil the new Surface 2.

The invitation image attached clears, the Redmond Company will exhibit the new Surface 2 tablet certainly with the features included in Windows 8.1 and Windows 8.1 RT, the two editions installed respectively on the Surface Pro 2 and the Surface 2 in coming two weeks.

Microsoft Surface 2 Invitation

We are still waiting to know the full specifications of the two tablets, until let’s recap the rumors that have been circulating in recent days on the Internet. For both models, Microsoft hasn’t made changes to the design, except for the new kickstand that will keep the tablet in two different positions.

In addition to current Type and Touch Cover, there will be two new accessories: a Power Cover with keyboard and extra battery, compatible with Surface 2 and Surface Pro 2, and a docking station with additional ports, compatible only with Surface Pro 2.

Surface Pro 2

The tablet is based on Windows 8.1 Pro integrates a fourth-generation Intel Core i5 processor (Haswell chips), 8GB of RAM and a bigger battery that will bring autonomy to 7 hours. The display with no change is still 10.6 inches with a resolution of 1920×1080 pixels.

Surface 2

The tablet is based on Windows RT 8.1 will integrate a NVidia Tegra 4 processor, 4GB of RAM, a USB 3.0 port and a better battery to keep lights turn on up to 8 hours. The screen resolution increases from 1366×768 pixels to 1920×1080 pixels, and a white color variant could be announced. In addition to software, the productivity suite Office Home & Student 2013 RT will also include Outlook 2013 RT.

The specifications listed are obviously to be confirmed, so we just have to wait for the event to be held in New York on September 23. At this point, it appears very likely that the new tablets will arrive on the market along with the Windows 8.1 GA as of October 18. It is also certain that Microsoft will not launch any 7 or 8 inches Surface mini, in spite of Windows 8.1 has been optimized for small displays.