I considered interviewing them for Mixergy because I hear they're doing well, but the only metric I see for their success is valuation.
http://gigaom.com/2012/03/26/at-warby-parker-the-power-of-br...
http://www.warbyparker.com/annual-report-2011
http://gigaom.com/2012/03/26/at-warby-parker-the-power-of-br...
http://www.warbyparker.com/annual-report-2011