You have provided a summary table of the current state of barbarians. Your table seems fair globally, barring some issues. The current state of barbarians, crusaders, monks, witch doctors, and wizards are what they are.
The following tiered list ranks builds according to their viability at specific activities. Viability is determined according to the following rankings:
A = Excels at the specified activity and offers maximum power and efficiency
Build
T1-16 Neph Rifts
Bounties
Low-level Gem-ups
Solo GRs
GR Range
Zodiac Rend
A
A
A
A
1-147+
H90 Frenzy
C
F
B
B
1-137+
Pro-Slam
B
B
B
B
1-137+
LOD HOTA
C
D
B
B
1-135+
Vile Charge
A
B
A
C
1-135+
IK HOTA
C
F
B
C
1-132+
R6 HOTA
A
A
A
C
1-132+
Fire/Physical EQ
A
A
A
D
1-132+