I want to double check something with the experts. I'm looking at the 1NV and the 500NV units. The GR sites says about the 500NV: "All specifications and performance details are identical to the NV series preamplifiers with the exception of size, weight, patch jack, -10dBv Out." Size, weight and patch jack aren't a big deal to me. But the 500NV doesn't have the -10dBv out if I'm reading correctly, and that feature enables "no latency DAW monitoring", so that's what's missing from the 500NV. And that makes the 500NV 500$ cheaper than the 1NV apparently. Is that the only significant difference? Before I take the plunge, I'd like to better understand what I am sacrificing by going with the 500NV - my interface is a Mackie Onyx, so zero-latency monitoring isn't a problem for me in the first place. Plus I need an excuse to start a lunchbox. Thanks!