APEX SL-8600EPS 600-watt "SLI Ready" PSU
 

The aesthetics of this model stand high as well. With the chrome style finish, you should have no problems at all regardless of what lighting scheme you choose in your custom enclosure. Of course, you may run into one issue... the need to occasionally get out a buffing cloth and wipe it down, but this isn’t something that is unusual with any mirror finish product you use in a PC