Is there a huge difference between schecter omen extreme 6 and omen extreme 6 FR?

I don't know why that would be the case unless folks are just giving it a higher score for having a Licensed Floyd Rose. The regular Extreme 6 seems to have all of the same features except it has a mahogany body while the FR uses basswood. Unless you really need a tremolo I'd pass on the FR. A "Licensed" Floyd Rose is not the real deal and may or may not have tuning issues. Changing strings is a bit of a pain and having the FR setup or worked on can cost more also.