I saw a neet system yesterday at the Mug race. There was a Marstrom A cat who hooked a crab pot while maneuvering for his start. I thought "He's screwed, take him at least 5 minutes..." no, he reaches back, flicks something, the rudder pops up, he then pushed the tiller arm and click, the rudder is back down. Took him 5 seconds. I didn't get to look at it up close but it sure worked slick. So whatever the Marstrom system is, take a look at it. You can then put what ever rudder blade you like in it.

I like the Nacra 20 system, the pintles clip on, (no frigg'n rings to drop in the sand!!) you can lift both rudders from one side of the boat, without having to reach back and undo something on the rudderhead, you can actually just lift the hiking stick and unlock, then raise both rudders without having to leave your seat. They kick up if you hit the shore hard, but won't kick up for something like sea weed. They are pretty stout, in two years of beachings, I never broke a rudder part.

Of course, the trade off is weight. They are pretty solid cast aluminum but I do like something you can rely on, as Rick has pointed out above, light isn't fast when it breaks.

I had lots of problems with a light system on the Javelin 2, it cost me several boats in every race when the rudders would pop up, for no reason, and if you ran aground or hit the beach, you couldn't get them up until you got off the boat and lifted the boat up.

I never had a minute of problems with the Nacra I20 system and I don't know if a couple of pounds is going to slow me down much, since I'm 15 lbs. overweight anyway!