speed/cost
(other than X64 in cost, due to a component amount limit)
self reminder (not like I can put comments in xml . . .)

Ref:
T2: X4
T3: X12
T4: X32
T5: X64

Assem:
T2: X4
T3: X12
T4: X32
T5: X64

O2Gen:
T2: X4
T3: X12
----------------
(hurt my hands, so I had to stop at T3 for o2 gen . . . ow)
T4: X32
T5: X64

