Sorry to hear that man...
I too have gone through a similar situation...
Still, Doesn't really make it any easier as to what to say, except that it shouldn't of, but somethings just do happen... And I would just try to remember and the good things about her, have good memories... She seemed like a wonderful chick... And I'm with Dev, you should leave her myspace up for a while.
Yeah, I'm no good at this, I usually write songs about this kind of stuff... The words come together better as lyrics.
You'll be okay, we're all here to support you.