The entire "The proper orb build guarantees kills against any solo" side of the argument seems to really neglect to take the DM into consideration. Sure, the first time you face a solo monster you'll annihilate it without any effort, but I would think any reasonable DM would simply react "Well...
The main thing that worries me is the Level 5 trap DC (really all of them) seems obscenely high. The text says:
"A character can engage in a skill challenge to deactivate the control panel. DC 22 Thievery. Complexity 2 (6 successes before 3 failures). Success disables the trap. Failure causes...