That is why your birthday is one special day where you can buy kits like this without any guilt and and sleep tight that night with the kit stashed under your pillow or bed. Check the Japanese online hobby stores, they do have good deals.
And yes, it rates 8/10 on the WHIF factor. I was thinking of contra-props, auxiliary J-85s, more external stuph, move the floats to the tips a-la PBY, bigger turrets etc.