What's the ceiling for the surging Blackhawks?

It took a while, but the Blackhawks are finally playing their best hockey of the season. And fortunately because of a subpar Western Conference, playoff talks are actually realistic in Chicago.

After a 4-3 overtime victory on Thursday against the Vancouver Canucks, the Blackhawks’ winning streak was extended to six games. They hadn’t won more than three in a row all season before this stretch. And yet they're only two points out of the final ward card spot despite their points percentage (.482) ranking fourth-worst.

The most notable reason why they're having so much success is the power play, which is converting at an astonishing 39.1 percent clip since Dec. 18. But their 5-on-5 success has…