I think an international 2 week competition hosted at a new country each year would have merit. Like the World Cup format with divisional round robin play to see who gets to the semi/final single elimination round. Probably need to go to 3 match tie too with 2 singles and 1 doubles. 16 teams compete with maybe top 14 teams of this year's tourney getting a return invitation for next year and 2 slots held open for qualifiers to fill. Qualifiers would play before the final tourney to win 1 of the 2 open slots.
This would be fun - I would attend especially if it draws top players and it might due to condensed time frame. Period after USO and before WTF would be the most likely fit.