Computer? Check. Monitor? Check. Decent mouse and keyboard? Check. Speakers? Ahh... If you're aurally compromised in your PC setup right now, there's a great offer on a Logitech 2.1 speaker system right now thanks to Amazon Prime Day.The Logitech Z623 2.1 system for PC and Mac (or, actually, anything that accepts a 3.5mm connection) is down to just...