Open Bath equals less hours on the workshop, more hours on the trail and a much better sensibility and feelings on the fork.
Many people is buying CR Conception Cartridges on France, that makes the conversion of sealed cartridge forks such as Fox 40 and Boxxers to open bath... the ressults are awesome.
www.youtube.com/watch?v=5TDuKNSTnog&feature=related
The fork with the CR Conception Cartridge is a white boxxer notice the Red Cap with Black Dial (at 2:45 in the movie)