Kr or K5
Pentax systems never sit on exactly the same level as the Canikons.
Which is what makes a Pentax a value for money camera for those who do the proper research.
If I was on a budget and a bit knowledgeable buyer who wants a DSLR,the Nikon D3100 and D5100 are certainly the last on the list. Not the cheapest camera, not the highest spec (at least on paper) and no AF motor to get those cheap plastic fantastics (35/1.8, 50/1.8, 85/1.8)
If I had no knowledge and wanted to jump on the DSLR bandwagon, I'd most likely choose Canon. Better advertising, more megapix (yes, that sells cameras), cheaper lenses.
Now, if I really know my stuff, I'd get that indie brand 'Pentax'
Or rather wait for the Kr replacement that usually follows in Sept-Oct