Will the real Colin Kaepernick please stand up?

Daily 49ers blog for NBC Bay Area website: Colin Kaepernick looked strong in opening win vs. Vikings. If he looks good against the Steelers, can it be determined that he's a changed quarterback?http://www.nbcbayarea.com/news/sports/New-Look-Niners-Face-Dangerous-Steelers-328201901.html