http://www.microconf.com/videos-2013.html -- no individual hyperlinks but you want the three of them: Rob Walling's, Jason Cohen's, and Erica Douglass'. Jason's is the best if you're pre-product, Rob's if you're in "OK, so the SaaS clearly works, how do I scale it" phase. (There are another few I would recommend from Microconf 2014 but they're not up yet.)
Long Slow SaaS Ramp of Death: http://businessofsoftware.org/2013/02/gail-goodman-constant-... I also like the Mixergy interviews. My favorite ever is Andrew's interview with Team Wufoo. I don't believe it is publicly available anymore, as Mixergy archives are available to paying subscribers only. (Well worth the money, though I have to watch selectively because apparently Andrew can record them faster than I can find downtime to watch/process them.)