Best CPU, Case + HDD for around 525 - has to be 1150 socket

[bpapadop]

Already owned: 2x R9 280x (for Crossfire, Gigabyte Windforce OC edition)
750 watt Corsair PSU (CS750M
MSI Z87M Gaming Mobo (MICRO ATX, 1150 socket)
8gb kingston ram
Need a case, cpu, and hdd (pref w/ an ssd) that will fit these.
Can maybe bump up to around 600.

 

[i7Baby]

CPU i5 4690k $240
Case Corsair 230T $60 (small) or Coolermaster HAF XM (bigger) $100
HDD 2TB Seagate Barracuda $80
You could also get a SSD with your budget - add $100
and/or go to an i7 4790k - another $100 again.