a good read for you.
This has been making the rounds for a while, this is the first time you've seen it ?
But strangly enough one of the first incarnations of this ( in 2003 ) came from someone who claims to have left Islam, now it seems to be from someone inside threatening us.
http://www.swordoftruth.com/cgi-bin/forum.pl?action=display&num=2410
See what happens when things are taken out of context ?