Pros: Lots of storage possibilities, long GPU compatibility, sexy aluminum
Cons: GPU airflow.
You can easily put 2 ssds and 2 full size hard drives in this case, I opted for a full size HDD on the side and a 2.5 HDD and SSD on top of the PSU.
I then installed my 170mm long PSU easily, but this affected the length of GPUs I could use, luckily I had planned to use a 7790 until my 280x got back from RMA.
My 7790 was spiking to ridiculous tempatures when fully closed due to it having basically zero airflow, despite me having only exhaust fans at the back (2x apache blacks on an h80).
To resolve this tempature issue, I had to basically leave the bolt the for left side of the panel undone to it bends out a bit and leaves more clearance.
With a shorter PSU, longer GPU with a turbine type fan, I see this as a very viable SFF case. I find it a bit too niche for what I think Antec was aiming for.