I rode a Lithia for almost 6,000 miles and replaced it with a Jett.
I tend to agree the Lithia is a bit squishy. But it all depends on your anatomy... if you're not super prone to chafing, it might be fine for you. I never rode much over 100 miles at a time on it. I think it's plenty comfortable for under 40 miles or so, especially on hills, for commuting, or other situations where you're moving around a lot and not just hammering in the saddle.
I think the other two saddles you're looking at are considerably more pear-shaped. One thing I really like about the entire Specialized line is how T-shaped they are.
Speed comes from what you put behind you. - Judi Ketteler