Then don't build a PC. There's no way on the planet an i3 system costs $700. Here, for example, is an i7 system, complete, for just over $700:
Including Windows 8. That took me 10 seconds to find. There are plenty of uses for an Ultrabook like the Surface Pro, but as a desktop. That's beyond stupid. There are plenty of laptops with the same CPU in the $500 range that would make a far better desktop, as well.
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