It's the same PSU as the OCZ ZS-750, except with modular cabling. Quality-wise it's a decent PSU if you're on a tight budget, but it's far from the best unit out there.
The PC Power and Cooling is an especially good deal with a 7 year warranty and it's 80+ Silver certified.
Are you sure you need 750 watts? You plan on multiple graphics cards? If not then this is a very good place to see how much power a system needs with just about every graphics card out there.