I post one latest example produced by my K-x produced with its in-camera JPEG engine, which is a night scene this time, EXIF data preserved, lens used is my early Japanese production FA 43 Limited:-

(Click to Enlarge to 4,000 Pixels in Width, a New Tab/Window Will be Opened)
Happy pixel peeling! Well, it can be seen that my Limited lens actually exceeds the K-x in resolution. So, I am still waiting for a better Pentax DSLR as such! ;->