In your opinion, how do the "excellent" Mainstay bars you mention stack up against the S.O.S. Food Labs bars I've read about?<br><br>I've found a place on the web from which I can order single-bar samples of Mainstay that should suffice for a taste test: http://www.preparedness.net/noname69.html for $6.25. Seems a little pricey, but what do I know.<br><br>Haven't found the same for S.O.S. - yet.<br><br>