Wanted to share the stats with the forum. These are the current stats of one of my rigs running on the PhoenixMiner 2.9e:

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Eth: Mining ETH on eu1.ethermine.org:4444 for 80:00
Available GPUs for mining:
GPU1: Radeon RX 580 Series (pcie 1), OpenCL 2.0, 8 GB VRAM, 36 CUs
GPU2: Radeon RX 580 Series (pcie 2), OpenCL 2.0, 8 GB VRAM, 36 CUs
GPU3: Radeon RX 580 Series (pcie 3), OpenCL 2.0, 8 GB VRAM, 36 CUs
GPU4: Radeon RX 580 Series (pcie 7), OpenCL 2.0, 8 GB VRAM, 36 CUs
GPU5: Radeon RX 580 Series (pcie 9), OpenCL 2.0, 8 GB VRAM, 36 CUs
GPU6: Radeon RX 580 Series (pcie 10), OpenCL 2.0, 8 GB VRAM, 36 CUs
GPU7: Radeon RX 580 Series (pcie 12), OpenCL 2.0, 8 GB VRAM, 36 CUs
GPU8: Radeon RX 580 Series (pcie 13), OpenCL 2.0, 8 GB VRAM, 36 CUs
GPU9: Radeon RX 580 Series (pcie 15), OpenCL 2.0, 8 GB VRAM, 36 CUs
GPU10: Radeon RX 580 Series (pcie 16), OpenCL 2.0, 8 GB VRAM, 36 CUs
GPU11: Radeon RX 580 Series (pcie 17), OpenCL 2.0, 8 GB VRAM, 36 CUs
GPU12: Radeon RX 580 Series (pcie 18), OpenCL 2.0, 8 GB VRAM, 36 CUs
GPU13: Radeon RX 580 Series (pcie 19), OpenCL 2.0, 8 GB VRAM, 36 CUs
GPU1: 54C 92%, GPU2: 57C 86%, GPU3: 57C 85%, GPU4: 56C 85%, GPU5: 54C 79%, GPU6: 52C 44%, GPU7: 52C 41%, GPU8: 58C 86%, GPU9: 54C 84%, GPU10: 54C 99%, GPU11: 52C 43%, GPU12: 62C 81%, GPU13: 49C 0%
Eth: Accepted shares 407093 (40 stales), rejected shares 3 (0 stales)
Eth: Incorrect shares 169 (0.04%), est. stales percentage 0.01%
Eth: Maximum difficulty of found share: 12954.2 TH (!!!)
Eth: Average speed (5 min): 407.232 MH/s
Eth: Effective speed: 395.92 MH/s; at pool: 395.92 MH/s

PhoenixMiner: If you ever have a moment of doubt about your work... get back to this post. THANKS!