Originally Posted by Nameless one 
Didn't know that but there are servers for WoW that 1:1 copy of original so it's highly likely that we will see same for D3 very soon.
Very soon? No.
One day? Perhaps, but it won't be a very popular way to play it.
There's just no demand for it.
The reason there was a demand for WoW servers (beyond being an absurdly popular game) - is the subscription fee.
I doubt we'd see more than a few thousand players go to a private D3 server.
Wanna take a bet?