The site reports the Cosmos II will likely have a design that resembles the original Cosmos, but with a lot of improvements. You can expect high quality brushed aluminium, probably high-quality plastic in some parts, and an integrated fan controller.
The original Cosmos was a pretty big case, but according to FUD Zilla the Cosmos II will be a bit bigger, but fortunately it still has the same handle bars.
Cooler Master is expected to introduce the case by the end of May or early June, and pricing is expected to be in the range of 250-300EUR.