Well sorry for the delayed response as I just returned home from hauling all my equipment south. As far as the auger head vs the draper head there is a major difference in the quality job that you will end up with for yourself to pick up. With the draper head on the swather and the right operator makes your job alot easier thats for sure, the grain ends up going into the harvester head first like it is supposed to. I suppose you cut in the valley where they have to swath it. I harvest alot of malt barley in Wyoming and we have the same surcomstanses it wont harldy dry down without swathing it. The last few years we have been getting more farmers let us direct cut, it slows the harvest a bit and the straw is a little damp but makes for great bailing and it saves them $10-12 an acre by not swathing so I guess its 6 of one and a half dozen of another. As far as the sund attachment I beleive that its the way to go, in flood irrigated ground and a poor swathing job the grain will lay in the coragates and the sund will do the best job of digging alot of it back out...