So, just to clarify:
An aircraft modelled in flight (that is, on a clear flight-stand) would go in the open category as it includes a base, right?
A boat placed in clear resin to simulate water would also go in the open category, right?
How about models such as tank-riders? The previous years, anything beyond a commander and a plain base was a diorama, so how do I enter, for example, a T-34 with a tank-rider squad?
And for those of us entering the open category, our three-month build risk going up against something that someone has had years to finish to the highest standard?