So we know the results of the vote, but editorials are telling too. I've compiled a round-up of reporting about the topic from editorials and such. If you have others from sources I've missed, please send them in.

Kass-as-lawyer: "As public policy, the big-box ordinance is certainly unconstitutional."
Wal-Mart, via the Trib: "Our share of the market is relatively low in Chicago," said Lewis. "And that's an opportunity for us. We think there's tremendous opportunity to double or even triple our market share in Chicagoland."
Beachwood Reporter: Wal-Mart's Numbers Don't Add up.
Roeder, Sun-Times: "What Would Samual Gompers Do?" Answer: Not this.
Haydn Bush, Chicago Journal: "In the long run, though, city neighborhoods rarely benefit from a sea of parking lots, "everyday low prices" notwithstanding."
Daily Southtown: "The big-box ordinance would be bad for the city treasury, bad for the city's residents and bad for the existing big-box stores. Let's see if the aldermen care about any of them."
The Illinois Real Estate Journal provides the commercial realtors' perspective.