Read the news/press releases/preview over DPR:-
http://www.dpreview.com/news/2013/06/12/Pentax-launches-k-50-k-500-16MP-mid-and-entry-level-16MP-DSLRs
http://www.dpreview.com/articles/7885360476/first-impressions-of-the-pentax-k50-and-k500
http://www.dpreview.com/news/2013/06/12/Pentax-announces-Q7-with-larger-1-over-1-point-seven-inch-12MP-BSI-CMOS-sensor
As DPR has commented, the suggested prices seem more reasonable this time (they called it "realistic"). In fact, the prices will soon come down after they are first marketed, which is July 5th as planned now. So, just wait if you're interested but not too eager to get any of those immediately. :-)