I have posted a quick blog on my ride from Sihanoukville to the Bokor Hill Station here: http://www.travelblog.org/Asia/Cambodia ... 18420.html
It is written mainly for friends and family rather than bikers, but may be of interest if you are doing the trip.
Mat
The road up to Bokor
It is written mainly for friends and family rather than bikers, but may be of interest if you are doing the trip.
Mat
The road up to Bokor