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What's the rest of your system? How much do you want to spend?
A Corsair TX 650W (on offer) or a HX 520W would be my choice. These will give you headroom to upgrade later too.
Corsair certainly produce good units, yes. The "best" is often quite subjective.
The TX series are supposedly not quite as high quality as the HX series (which are made by Seasonic) and the HX series are also modular which is useful.
You can't really go wrong with either though.

Corsair certainly produce good units, yes. The "best" is often quite subjective.
The TX series are supposedly not quite as high quality as the HX series (which are made by Seasonic) and the HX series are also modular which is useful.
You can't really go wrong with either though.