According to the latest rumors coming from a Russian & Pentax forums, Pentax+Ricoh will announce four new DSLRs by March 31, 2013 (the end of the fiscal year).
Pentax-Ricoh will offer FOUR DSLR till March, 2013.
1. A new Low-end DSLR / Entry Level DSLR or may be a mirroless from pentax.
2. A new DSLR between K-r and K-5
3. K-5’s replacement
4. Not clear but may be a full frame DSLR