David, AFAIK only the Summerlite has been reviewed by the BPL staff. This was done back near 2007.
With that said, WM bags are the standard to which all others are judged. Feathered Friends is also in that category. Many place the Mont-Bell bags near these two as well. Western Mountaineering is expensive (and hardly ever go on sale), but they're absolutely top-notch, and still made in a small shop in San Jose (not far away from Mel's, actually).