Redbox teamed up with Verizon to get into online streaming, which will compete with Netflix. This is a super example of leveraging a strong channel to take your growth to the next level. BUT more importantly, its how they are going about it. The below INC article has the scoop on why Redbox might be doing it right:
http://www.inc.com/karl-and-bill/redboxs-smart-move-what-you-can-learn.html
While you might be trying hard to find a larger partner to support your growth, it might not always be about size. Bring forth the things that you do best and the deal will always be win-win.