Is Opus Dei a bonafide arm of the Catholic church, or as some believe a cult not dissimilar to the likes of the "church of Scientology".
http://www.odan.org/what_is_opus_dei.htm
Another site I found giving the pluses and minuses of Opus Dei, btw here it is referred to as a sect?
http://www.mond.at/opus.dei/