I knew the X10 had a great camera and that's the reason I got one, Mine on the other hand wasn't so good. I decided it needed a small mod as the plastic covering the lens seemed to be really murky.
Following the guides below i took it apart, cleaned the screen and popped out the plastic section covering the the camera lens.And to get to the screen.
Some of the disassembly pictures.
As you can see made a huge difference.
Physics for Future Presidents.
Spring 2006, Professor Richard A. Muller. The most interesting and important topics in physics, stressing conceptual understanding rather than math, with applications to current events. Topics covered may vary and may include energy and conservation, radioactivity, nuclear physics, the Theory of Relativity, lasers, explosions, earthquakes, superconductors, and quantum physics.
http://webcast.berkeley.edu/course_details.php?seriesid=1906978373
Fantastic lectures by Muller here and really helped me get back into physics. When on the page from the link above simply start at the top and choose your viewing preferences.
Big red here chilling with one of his ladies.