I bought again an FN HP Mk 3 about one year ago, and fitted the SFS-kit (Safety Fast Shooting kit) which equips most of the Belgian Swat teams for whom FN HP is still the mandatory pistol.
The kit works just fine, and allows you to carry a hot pistol hammer down:
http://www.youtube.com/watch?v=6hUbTTfwT_A
"Today we need a nation of minute men; citizens who are not only prepared to take up arms, but citizens who regard the preservation of freedom as a basic purpose of their daily life and who are willing to consciously work and sacrifice for that freedom." JFK 01/29/1961