I think Dr. Gray is overrated and outdated.

Here's a great article that sums up why.

http://web2.airmail.net/ktrig246/out_of_cave/mf.html

Sure worth a read if at least to see that he promotes the sex-role theory and a patriarchal society.

The New Male Female Relationship by Herb Goldberg makes much more sense but then again, that's just me.