The top 3´s gear was following,
#1 Patrik Polack - F2 Ligthning 380, Aerolite 9.5 (ligth wind sail) and NP RS:X 9.5 (high wind sail)
#2 Sugiura Kazumasa - Fanatic Mega Cat - Aerolite 9.5 (ligth wind sail) and Severne 9.5 (high wind sail)
#3 Juha Blinnikka - Starboard Phantom 380 (2011), Severne RB 9.5 (ligth wind sail) and Starboard RB 9.5 (high wind sail)
#2 Sugiura Kazumasa - Fanatic Mega Cat - Aerolite 9.5 (ligth wind sail) and Severne 9.5 (high wind sail)
#3 Juha Blinnikka - Starboard Phantom 380 (2011), Severne RB 9.5 (ligth wind sail) and Starboard RB 9.5 (high wind sail)
On the board choice there is not one board that stands out in the top 3, and it looks to be the ability to get the most out of the board makes the difference at this moment.
There is no information on fins and masts, but for sure it looks like that all 3 have had got it working well.
Link to competitor entry list with equipment details - HERE
Link to competitor entry list with equipment details - HERE