When other categories (FOW / FO%) or influences (salary) come into play, it definitely must be taken into account. Although Market Buzz only caters to the standard 6 skater categories (G, A, +/-, PIM, PPP, SOG).
Perry is most definitely worth more than Henrik. 80 point RW, 100 point Centre. Its close without even thinking about his peripheral stats. Add those in and bam.