As far as I'm aware, there is no concrete number for the number of minimum hours that Haiku is requiring. One of Haiku's biggest issues last year was with students who over burdened their schedules and consequently did poorly on their GSoC projects. Even though Haiku was accepted again this year, I personally do not believe our chances for next year will be good if the same mistakes are repeated. Our first step to prevent this is requiring applying students to list scheduling conflicts, such as classes and employment with other companies. Listing a possible schedule conflict is not a death card. It is merely something that our mentors need to take into consideration when reviewing applications. Having said that, everyone who meets Google's minimum requirements are encouraged to apply. Here's a link to the eligibility section: http://socghop.appspot.com/document/show/program/google/gsoc2009/faqs#eligibility --mmadia