Been reading trollbox on poloniex and it seems the hot coins are X11 algo.
Mining X11 myself and I gotta say there's no question, its the future for GPU mining.
Here is a comparison of X11 to N-Scrypt on my rig (3x r9290) at fastest stable setup for each.
N-Scrypt - 1070-1090 Watt consumption, 90-92 deg C, Fan duty cycle 75-90%
X11 - 605-609 Watt consumption, 72-74 deg C, Fan duty cycle 45-50%
X11 is made for GPU! ASIC resistant, GPU friendly. Above stats prove it. Rig sits in my room purring quietly, hardly even notice it. Can't say that for Scrypt or N-Scrypt.
Of all the coins on X11 GPUc belongs on X11 simply because of the idea behind the coin!
I`ve read that there are no optimized miners for X11, thats why it is running cool and under low power.. GPU is not utilized 100%.. allegedly there are "private" miners that can achieve 100% GPU utilization with X11 algo..
I've read this to. But I've also read that its by design to make the algo GPU friendly and not anything to do with a poorly built miner kernel.
I get 2500-2700 K/h per R9 290 core on X11 nice and cool as opposed to 400-420 K/h on N-Scrypt with the cards hot enough to boil water.
According to Afterburner, GPU utility is at 100%, memory usage is about 1/2 on primary card and 1/4 to 1/3 on other cards, . Saves power on memory usage I think.
Heard the private miner super dooper 6 M/h out of a 280X story as well. Could be real... sounds like crypto bigfoot to me.
There are a number of coins using X11 now and the GPU miners are all over them so it'll only be a matter of time before this story gets the better of some one and they start tinkering with the miner to see if there is any truth to it. I mean how many versions are there of cgminer now? It'll happen.
A 290 has bunch of mem chips total amounts to 4gb, and no 4gb chips can take even close to that... 
