Hardwareoverclock.com has posted another PSU review. Last week they has take a look at the Tagan Piperock II 880 Watt.
“Do still searching a strong PSU for your Crossfire or SLI system? Maybe the Tagan Piperock II 880 Watt is the right one. With 880 watts and four PCIe cables you have enough power for your system.”