The first tournament I went to, that wasn't a Premier League match, was the old Wembley Conference Centre. I enjoyed it, but had no basis for comparison. It was the last year it was held there, so don't remember much about it.
I remember on my first year at the Arena, thinking it wasn't as good as the year before though. And I have always strongly protested the lack of atmosphere at Wembley Arena. They always say on the BBC that the atmosphere is something special at the Arena, because fans shout. This is nonsense. It's like going to snooker in an aircraft carrier. Fans don't really interact with each other, you don't get to mingle with other fans. The Wembley Staff are so used to putting on shows, but don't know how translate to snooker. I once got refused to let into a match in between frames once, because the member of staff didn't know you were allowed entry between frames.
I can easily commute to London, even more easily when I'm living in Croydon, so I selfishly want it to stay in London. But would be very much pro moving it from Wembley Arena. Which, in my opinion, is the least good venue atmosphere-wise I've ever been to. And that includes Newport.