Hi All. Here's the problem. I currently use three cameras: Canon Powershot A570IS compact; Panasonic G1 + 14-45mm kit lens; Nikon D300 + 16-85mm VR lens. I shoot a wide variety of subjects - my photo.net portfolio is typical of what I do - minus the family and pet shots which I keep for personal consumption. I either project digitally at my local camera club, print to a maximum of 16 x 12 inches (the maximum you can go & keep the frame size within local federation size limits) or view on screen. I have shot weddings in the past and would like to do more wedding and event photography. I have a rather bad back which limits what I can carry around and really need a 1 body 1 lens solution that gives me the quality I need for prints (my preferred lab prints at 402dpi so I have to interpolate anyway). For digital projector or computer screen display, I see no significant differences between any of the above 3. Currently the G1 gets most use due to its low weight but the lenses are limited. The D300 combination delivers sufficient image quality for my needs but weighs in at a total of 1.4kg. I cannot carry a tripod so image stabilisation is essential. I see two body choices in the Pentax arena: the K-r and the K5. The ideal lens would appear to be the 18-135mm with either body. I expect the K5 to fall into budget by the spring (currently shipping just below £1000). The K-r + 18-135mm saves me 0.4kg over the Nikon setup and the K5 + the same lens just below 0.3kg. The weights don't sound like a lot but when walking can be limited to a few hundred yards they become important. Accurate and reliable metering is also important to me and in this area the D300 is outstanding. I'm not one to switch systems lightly, but have been pondering Pentax for some time, having been a one time ME Super user and currently owing a Super A, 50mm f1.7 (possibly defective though) and 40mm f2.8 pancake MF lenses as well as some legacy Pentacon M42 lenses. Summary: I suspect either the K-r or the K5 will deliver the IQ I am looking for. Either body represents a decent weight saving. I need effective image stabilisation (mainly for longer focal lengths), reliable metering, decent dynamic range (I've seen the thread on the DXO results for the K5) and a one lens solution that hits into the 100mm area. The 18-135mm lens looks to be the obvious choice. If my back improves, I'd like to start shooting weddings again and pick up some event photography (with some faster glass added to the one lens walkabout kit). Advice and guidance welcome - particularly from those with experience of both Nikon & Pentax systems.