I can agree with you at least from an unscientific standpoint based on casual observations. I have noticed from a college student perspective that it is much more common to see Females using a white ibook. Statistically there are probably more men using aluminium MBPs. Albeit not because the white ibooks are feminine in appearance but more so that men tend to be more technically inclined (gear heads) and are thus more willing and eager to want better hardware. Note that I made this classroom observation from a College of Arts and Sciences perspective. Women in Computer sciences, engineering, and creative fields that are technology intensive would undoubtedly want tech that is as good as their male counterparts. However from a general population perspective I believe that women account for a larger proportion of ibook users. Im sure there is some statistical information about Apple products and gender use at Apple marketing but so far I have not seen any of this info shared with the public.