I did end up ordering a pair a size smaller from the same retailer, since they were even cheaper than the Ls I bought...and the L are just a hair loose pretty much all over. I figure the Ms will be a hair snug/compressive, but that will give me incentive to drop 5-10#s so that they fit perfectly (I actually have 20#s to lose, heh).
I must say that I'm getting annoyed by all of the "high end" shorts I've tried lately that have really lacked in quality beyond a ride or 3. I bought a pair of Castelli's top-of-the-line Body Paint bibs that fit like a dream, too, but after only a few rides are all saggy and rolling-up on the bottoms of the legs. I love that these shorts don't have aggressive grippers and don't cut into my thighs, but it seems like at $230 and $250 price points like these companies would make a flawless product. This is why I only buy these things when I can find a killer deal. If I actually paid full retail and had results like this I'd be out for blood.