I will not get a define r4. Just don't like the look.
Ive been contemplating on the NZXT phantom for quite a while. But if theres something better out there let me now. Black/red
I quite like my NZXT Phantom 410. It has a lot of room (which also means it's very big for a mid tower, unfortunately), has plenty of slots for fans and coolers, has a ton of drive racks, supports large power supplies, is very solid, etc. And it looks cool.
I think I might just go with the NZXT phantom (full tower) since I have no water cooling currently.
Lack of water cooling isn't really a reason to get a full tower unless you're running 2X R9 290s and an FX-9590 or something. Just so you're aware, a mid tower is generally much more than enough.