Yes, have to agree, one SFA out of the equation it worked fine for me.
One of my mates had payment issues & had to go through process again, but it worked, without a 30 min wait. Strangely, it had left original Hungary ticket in basket & would have let him add another, but he's too honest & cleared the basket.
Just hoping my other mates who're on 11 points can get tickets tomorrow in same categories & then we'll see if the Seat With option works.