Pentax Optio S10 to Pentax K-7. I stayed with Pentax because of weather sealing, reports of ergonomics (bought sight unseen), and the build quality of the bodies. Everything they said was true, love the form and everything. When friends with Canon or Nikon hold a K-7 (or my K-3), they immediately comment on how different it is than their plastic bodies. It is a camera that makes me want to use it.
Gave my K-7 with genuine grip to my parents last time I visited the States. I have a K-3 now. Love the camera, trying to figure out which lens to buy next
Hard to make that decision, as there are so many options. I only have the 18-55WR and DA*50-135. I'm debating whether it would be better to replace the 18-55 with a 16-50 or 20-40 (leaning towards the 20-40 after seeing how it stacked up against the 18-35 Sigma). That would eat up my budget entirely and not really open up any "new" avenues, but it should would make me happier than kit lens.
Or, I could save a little more money and buy a 15 limited and a 100 WR macro. I'd add to excellent lenses to my line up, but then the "normal" zoom would still be disappointing in relation to the others... choices, choices.