You can hear the 1999 recording of YS666 on the And Love Said No compilation album as well.
As far as my favorite version of Razorblade, for various reasons I would have to say it's the German limited digipak. I prefer the original track order to the international/US one, and Sigilum Diaboli is one of my favorite tracks. The 9th Circle is also a very underrated track that doesn't get much mention. That said, for completion's sake, the HER version is the best one as it includes EVERY track from every version of Razorblade (excluding live tracks and the stuff from the 2014 remaster).