Why are you using LGA1155 parts? Socket 1150 is newer, and i don't see any reason why to not get the newer parts unless you've got those older parts already.
PCPartPicker part list / Price breakdown by merchant
| Type | Item | Price |
|---|---|---|
| CPU | Intel Core i3-4150 3.5GHz Dual-Core Processor | $104.69 @ SuperBiiz |
| Motherboard | ASRock H81M-ITX/WIFI Mini ITX LGA1150 Motherboard | $71.99 @ SuperBiiz |
| Memory | Crucial Ballistix Sport 8GB (2 x 4GB) DDR3-1600 Memory | $58.99 @ Newegg |
| Storage | Crucial BX100 250GB 2.5" Solid State Drive | $94.99 @ Adorama |
| Video Card | EVGA GeForce GTX 960 2GB Superclocked Video Card | $199.00 @ NCIX US |
| Case | Silverstone SG05BB-LITE Mini ITX Desktop Case | $37.99 @ SuperBiiz |
| Power Supply | Silverstone 450W 80+ Bronze Certified SFX Power Supply | $59.99 @ SuperBiiz |
| Optical Drive | Samsung SN-208FB/BEBE DVD/CD Writer | $19.98 @ Newegg |
| Monitor | Acer H226HQLbid 60Hz 21.5" Monitor | $120.98 @ Newegg |
| Prices include shipping, taxes, rebates, and discounts | ||
| Total | $768.60 | |
| Generated by PCPartPicker 2015-03-07 10:39 EST-0500 |
Similar with a GTX 960 and a bigger PSU.