Meanwhile ... 21 releases better code using the new CLTV opcode to setup a micro-payments channel to dramatically increase capacity with no need for a blocksize limit increase, and no added network tradoffs. Works with any device and free to use.

https://medium.com/@21/true-micropayments-with-bitcoin-e64fec23ffd8#.t2iij7v71

This will not be as inexpensive and powerful as the lightning network but is a great solution to resolve current capacity "problems" immediately.