I sharpen all my broadheads no matter what they look like when I take them out of the package! To answer your question, yes I sharpen my Slick Tricks when I get them, no reason NOT to!
If you think a ST needs sharpening then you just might be obsessive compulsive.
Just kidding.
They are sharp enough to cut with no pain. Don't ask how I know that. [8D]The only other broadhead I have been painlesslycut by was a NAP thunderhead.