My mistake. The industry mag is ChannelPro. SMB, I think, is another free trade publication that might have some useful info though.

Page 29 of this issue is an example:

[Link: digital.channelprosmb.com]{"page":6,"issue_id":149900}

Its primary audience is small IT businesses. But, I think there is some crossover to residential (or, there should be, for high end Resi).