This is genuinely as good as the original on the beeb, there seems to be a weight to the ship there is a stress on the engines to accelerate, turn and stop. But the best thing? After nigh on thirty years and very high hopes, my imagination has been realised. And this is from the combat alone, this is just fun, it's easy to pick up, definitely needs head tracking of some sort, (I'm going to look at OR for this) and is actually satisfying just to fly around aimlessly trying the flight assist on and off and circumnavigating other ships while not trying to blow them away. Does the sidewinder turn silly fast? Hell no and it's the better for it, it is a struggle to out turn, out shoot and out think other players.
I wasn't going to extend myself to the alpha, but I did. The first time I started it I was actually concerned that it wouldn't live up to expectations, it did, boy oh boy it did.
If any of the backers are irrationally attached to this game from their childhood (1984) you won't be disappointed. It is that familiar.