Males absolutely.  I trust them more (sorry, no offence meant!).
Maybe it's because I was so close to my brother and hung out with him so much, I'm not sure.  I just have always found that men, if they are true friends and just not trying to get into your pants, are so honest.  A g/f will tell you what you want to hear, not the truth necessarily.  I've always been more comfortable with men than women.....the "catty" aspect perhaps or maybe it's just because I like to talk football 

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To this day I don't have a real "girlfriend"...someone's shoulder to cry on.  Kinda makes me sad at times.