For more info about Cambodia, please read my recent posts :

2004

Cambodia - Poipet
Cambodia - Sisophon and Battambang
Cambodia - Sihanoukville (also a little info on Phnom Penh, but there's plenty of other posts on that subject).
Cambodia - Koh Kong

Tohether, they describe a round trip whore trail around Cambodia, starting from and ending in Bangkok or Pattaya.

Loso69