I am not familiar with the Launch Diving board, but after checking out their website, it looks like a great option. It does look more robust in regards to springs/shocks beneath center, and might be a better option if heavier individuals. If the Lillypad sagged a bit for you at 230 lbs (I wouldn’t have expected it at that weight), I’d maybe take a real close look at this option. I’ll be very curious if anyone in here has first hand experience with this one as I have a decent familiarity with the Lillypad.
That said, I have seen in person the Lillipad diving board and really considered getting one when we bought our boat. I even reconsidered still adding it our first couple summers on the lake. Due to us being on a shallow lake with seasonal fluctuations, I opted not to add on the risk with it. Other than our lake, I do really like the Lillypad option a lot, and I know you can take it off and put it on easy. This would certainly meet our needs, but I am the heaviest in our family @ 185lbs, so much more flexibility for us in regards to concerns with spring/shocks.