Here you go, I included windows within the budget (and its a bit over because of that).
This build is more focused towards multitasking, but the gpu will handle light/medium gaming very well.
You can get a phantom if you do not include windows in the budget, but I included a different white case, see if you like it (its also a bit smaller as well). If not, we can always look around for a different one.
PCPartPicker part list / Price breakdown by merchant
|CPU||Intel Core i3-4150 3.5GHz Dual-Core Processor||$104.69 @ SuperBiiz|
|Motherboard||MSI H81M-P33 Micro ATX LGA1150 Motherboard||$44.85 @ OutletPC|
|Memory||*PNY XLR8 8GB (1 x 8GB) DDR3-1600 Memory||$53.99 @ Amazon|
|Storage||*Hitachi Ultrastar 1TB 3.5" 7200RPM Internal Hard Drive||$40.89 @ Amazon|
|Video Card||*Sapphire Radeon R7 260X 2GB Video Card||$117.98 @ Newegg|
|Case||Silverstone PS08W MicroATX Mid Tower Case||$38.99 @ Directron|
|Power Supply||*Corsair Builder 430W 80+ Bronze Certified ATX Power Supply||$39.99 @ Amazon|
|Operating System||Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit)||$93.99 @ NCIX US|
|Prices include shipping, taxes, rebates, and discounts|
|*Lowest price parts chosen from parametric criteria|
|Generated by PCPartPicker 2015-03-07 11:13 EST-0500|