Coming from a black man who is practically engaged to a white girl, I do NOT view white women as "the ultimate." Not to say other black guys are the same - just speaking for myself. I've never had any black friends express that ideology either though. I've been interested in several nationalities before, white just happens to be the one that has hit home finally. I think sometimes white women may take advantage of black guys - unfortunate, but I'm sure it has happened before. However I doubt very seriously this goes on in the majority of inter-racial relationships. I think SOME white guys take advantage of Asian women as well, but again I wouldn't say it's a generalization of all caucasian/asian relationships.
Don't let a few bad apples spoil the whole bunch.
Inter-racial couples recieve hard times in areas that are not culturally diverse. I would strongly advise anyone to take that into consideration - not that it would necessarily change your mind, but it is something to prepare for.