Mining CryptoCurrency (Tech related)

I'm currently working on a Desktop/Workstation Build for home usage and I was wondering wether home rigs are still capable of producing an income for resources made available.

The system consists of the following:
Motherboard: EVGA Classified SR-2
CPU x2: Xeon X5650 Hexa Core 12 threads (total 12 Physical Cores, 24 Threads, Base clocked at 2,66ghz but the Motherboard should allow for some serious overclocking.)
PSU: Corsair RM1000
GPU: 2x HD 7970 (can get more in the future.)
RAM: 24gb DDR3 ECC memory.

If anyone has any other ideas for making resources available to customers, let me know. I was also considering setting up some VM's and allowing remote connections to some friends so they can run their Bots 24/7 for a small fee.

The main question is wether a rig like this can still produce Bitcoin, Ethereum or another cryptocurrency that has a form of mining. In a cost efficient manner ofcourse. It can't exceed the electricity bill.

I didn't list all the specs because I didn't really deem them necessary.