I think this system is actually quite fair. Did some toying around with the CP numbers, and this got 404 CP, enough for the invite:
1st br, 1st br, 2nd br, t4 br, 5-8 br, 5-8 br
1st cc, 2nd cc, 2nd cc, t4 cc
9-12 reg, t32 reg
t8 states, 9-12 states
t64 nats
I'm pretty sure most competitive...