Editor's Note: APYs listed in this article are up-to-date as of the time of publication. CNBC Select will update as changes are made public. They're not as common as checking account bonuses, but some ...

Valve's long-awaited Steam Machine is finally here, but it's not as affordable as anyone had hoped. I've pieced together parts to help you build four alternative PCs that are cheaper, punchier, or ...