2 cents:

Consider paralel hulls and simetric foils sections. Both rudder and daggerboard are similar to Bruce foils, contributing with a vertical lift which depends only on their angle of attack.

For the daggerboard, the relevant angle of attack depends exclusively on the boat atitude. With the bow up, the lift is upwards (good) with the bow down the lift is downwards (bad).

First conclusion: move your weight back to increase lift, reduce wetted surface and possibly sail faster. This is no news for any catsailor.

(Why "possibly" instead of "certainly"? Because there is an added drag from the daggerboard that may or may not compensate the reduction of drag due to the smaller wetted surface. My experience is that it works, but how much will depend on boat and foils design.)

Now the rudder. Since some weather helm is desirable, its vertical angle of attack will be bigger then that of the daggerboard most of the time, so the rudder's lift will point upwards most of the time.

However, due to the rudder location, its lift modifies the boat atitude, reducing the angle of attack and the positive lift contribuition.

Second conclusion: more weather helm requires more weight in the back to keep the bow up. Highest lift happens with the rudder close to a stall (assuming a fixed heel angle) and the key to benefit from lift is to keep the bow up.

So, with paralel hulls and simetric foils, a bow up atitude is key to obtain a positive lift and a marginal speed advantage. No news.

Now the canted hulls.
Vertical lift disappears. Its advantage is the drag reduction from the hull remaining vertical when flying the other hull and a slight weight reduction due to shorter beams (or slightly larger width with the same beams).

Final conclusion: canted hulls are better in low speed and paralel hulls are better in high speeds - provided that you can keep the bow up.

Cheers,
Luiz