Just skimming through this without reading it all to avoid spoilers.... this is exactly why I didn't play as much of the beta as I did the alpha.. once I hit the cap I stopped on the beta. It seemed like it was just a better stress test from the alpha for the same exact thing. Once I get my hands on my copy, I wont have any issue plowing through the same missions.
As I said, The alpha/beta I wanted as a sample.. I didn't want it to blow my mind. The strike mission we were treated to was damn good, but the later trailer shows that other strike bosses make Sepiks Prime look like a chump.