Schlitterbahn: we love it! Of the 4 parks (haven't been to KS yet) we like New Braunfels. If you go make sure you stay on-site. Definitely makes a difference. Of the Bahn and Rapid's, we usually stay at the Rapid's because it's right on Comal River where you can also go tubing. We also usually get the King Motel which has more than enough room for us. With it being so close to San Anton we split our vacate btween the 2 and only end up at Schlit for 2-3 days thus not needing kitchens. If you go and stay longer than a few days i'd suggest the townhouse or cottage over apartments. Whichever it is book EARLY as they always fill up fast!