Well it's hard to say. NewEgg has it as
Original Price: $149.99
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$94.99
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I'm a bit leery when stuff that's fairly new gets discounted too heavily. I always think the product must have issues. OCZ makes OK RAM but I really don't know much about their PSU's. Do your graphics card take 6 or 8 pin connectors? The cheaper PSU's with multi 12+ connectors usually run at 18A like this one. Better ones at 19A and good ones at 20A or higher. For $75 I'd be looking for one that's at least up to current standards. ATX12V/EPS12V.
It's a decent PSU, although for a system that draws a lot of power (an 8800\9800 series SLI system for example), the output exhibits too much ripple.
I'd recommend the Corsair 650TX as a far better choice for around the same price.