Hey Rob,I know it's june now but I can tell u a bit about the custom 4.
I got the 2020 Goya custom 4 (94 Ltr )
quad.Under foot it feels alot more stable than the previous model and very compact (more like 89l)but more than enough to putt out on those fnr sessions .It is a tad slower due to the increased tail rocker but not dragy at all and due to this new update it turns like a MF on a wave with buckets of grip too.
Nice and light in the air for rotating through loops and floaty jumps.
I use it with 5.0 down to 4.2
The only negative thing I could say is it's a bit power hungry in lighter bng conditions but it is a wave board after all.