Did you know that an inverting op amp is inherently noisier than if it's not inverting? 

Op amps have this property called noise gain. It is conveniently equal to the signal gain in the non-inverting configuration: 1 + Rf/Rg, so we might not give it a second thought. In the inverting configuration, though, the signal gain is -Rf/Rg while the noise gain remains the same as when non-inverting: 1+ Rf/Rg. That extra "1+" term really matters in low-gain stages, and it doubles the noise level of a unity gain buffer.

Just something to bear in mind if you're trying to squeeze the best noise performance out of an op amp.