Originally posted by sumitkar1971 Today I was attending my six year old niece's ballet recital with my K-3 and Tamron 17-50 f/2.8. As I took my seat up front, the person siting next to me said "that's a nice little camera you have there."He then showed me his "dream camera' - a Canon 70d and the "awesome zoom lens" - a Sigma 18-300. He wanted me to hold it to feel how solid it was. I politely declined by saying "I'm good" and "You have a great set up." I'm not even sure how I was supposed to react to the brash and uninformed Canon fanboy - we'll let them live in their delusion while we Pentaxians just keep taking high quality pictures with the most intuitive, ergonomic, brilliant and underrated photographic system in the world
Well, this Canon guy's setup (70d with 18-300 lens) is physically bigger yours (K-3 with 17-50f2.8). So we cannot deny him saying that yours a "nice little camera". If I were you, I wouldn't mind to hold his set up a while and then asked him politely to hold yours to let him feel for himself how the word "solid" should be defined.
I had compared my workplace's 7d with 18-135 to my K-30 with 18-135WR for a week last year. The 7d is better in tracking focus and skin tone for portrait but my K-30 is better in every other aspects (DR, high ISO, focus in dark room), has more features (HDR, WR, IBIS) and better build quality.
Bottom line: different strokes for different folks.