The K-01 is not completely dead, Pentax has provided a new firmware for it today!
http://www.pentax.jp/japan/support/download/digital/k01_s.html
(In Japanese)
It is said that the AF performance and compatibility with SD cards are improved as well as the new firmware is generally debugged. If you are a K-01 user, just follow the download link in the above page to get and install the new firmware.