To be totally frank, although I haven't played it in quite some time, the game seemed pretty... Dull.
Like, essentially, it played like your average flavourless generic matchmaking FPS, with a few pretty adornments. Nothing really tremendous in terms of scale, design, visuals...
The only thing that really makes the idea interesting is it's networking with the Eve world - With the massive economy, the intrigue, the crazy player governed conflicts, etc - And right now, that's so curtailed that they might as well not be linked at all. And from what I've heard, there are no signs of that changing any time soon.
It breaks my heart, since there are a couple DUST based roleplayers I really enjoy interacting with, but I don't see it lasting in the long term.