So I went online and downloaded dcraw and RawDrop. This gives you ABSOLUTELY UNPROCESSED TIFFs, albeit extremely flat ones. I actually put together a quickie web page illustrating this:
http://inverseroom.creotia.com/lx3
OK, so, the colors and white balance and contrast and gamma and what have you are way off on my hastily processed TIFF. But check out the detail in that (yes, heavily shapened) crop. There really is a ton of it, and you can't get at it in SilkyPix. I have no idea why.
This experiment caused me to realize, as well, that the lens suffers from tremendous barrel distortion--you need to go to +15 in Photoshop to fix it. The JPEG engine does this automatically, and so, interestingly, does SilkyPix. What I'm waiting for, of course, is for Adobe to add the camera to ACR, and I'm hoping the profile will include a lens correction but will NOT obliterate the nice RAW detail. Time will tell.