What would be the weakest link in this setup

for redbook CD performance.

Room size: 16'W x 19'L X 8'H
Speaker: JM Lab Electra 926 with REL Strata III
AMP: Bryston 3B SST (150W/ch)
Pre/Pro/DAC: Meridian 561M
CD Transport: Arcam DV79

and how would you improve it?