Radeon R9 255 

We expect to see official details of the R9 300-series of products of which there have been many leaks as well as the final details of the AMD Fury and Fury X products based on the new Fiji GPU.

The experience was smooth though of course there were no indications of frame rate, etc. while it was going on.

The current rumors claim that Fiji XT will have 4096 graphics cores that are fed by a high-bandwidth, stacked memory architecture, which is supposedly rated at 640 GB/s (versus 224 GB/s of the GeForce GTX 980).

That said, they also have cache and other methods to reduce this dependency, but let's just say that, if you offer a graphics vendor a free, order-of-magnitude speed-up in memory bandwidth - you will have friend, and possibly one for life.

There's no mention made of any of the upcoming games, so it looks like we'll mostly be looking for hotfixes to address any issues with yet-to-be-released games.

The drivers are available at the usual place, and support is specifically listed for the R9/R7/R5 series of desktop and mobile GPUs, along with the earlier HD 5000/6000/7000/8000 series of desktop and mobile GPUs. APU support is also included for the R7/R6/R5/R3 products and all APUs with HD 6000D/G or newer graphics (which basically means all of AMD's APUs). In other words, if you have a Direct3D 11 enabled GPU from AMD, the drivers should be available (though there are likely mobile).