If you look real closely at the ocean you can see water ripples.
Notice the ridges that are directly behind the ISS. Excellent detail.
Further exploring has revealed that the coast lines are out-freaking-standing and the rivers in the Kennedy Space Center area are close to crisp. The sim also incorporates a video tutorials on how to land the shuttle, travel to the moon, etc.
Martin Schweiger wrote the program that runs OSFS and I like to give kudos to this guy for adding in the special features such as the scenario editor and video tutorials.
