As I understand it the tone curve used to calibrate your screen should match the tone curve used in the working space of the programme used for editing. As I use Lightroom and Lightroom uses an sRGB tone curve would using an sRGB curve (an option with spectraview) give better results than the normal 2.2?
LR doesn't use an sRGB tone response curve. I think it uses Melissa color space which I believe it the gamut of ProphotoRGB combined with linear gamma but it doesn't use the 1.8 of Prophoto or the complex sRGB TRC for sure.
It's more critical to set the monitor TRC to match for non-LR work since LR uses color-management fully at least and translates to whatever the monitor is set to and it uses 16bits so there should not be much issue.
One thing is that if you set your monitor to gamma 2.2 and sRGB people think then if they use something only slightly color-managed such as IE that they see everything properly, but nope. IE doesn't use the monitor profile at all so it doesn't translate tone curves so even for sRGB images it shows every single last one wrong unless you calibrated your display to sRGB TRC.
For photo stuff I set the monitor to native gamut so I can use as much as it has to offer and usually gamma 2.2 or maybe native TRC would be better or just the same.
For TV/movies/some games I set it to sRGB gamut with gamma 2.2.
For web if I am not using a good browser such as Firefox and using something so-so such as IE or terrible (talking in terms of color) Chrome and such I set it to sRGB gamut and sRGB TRC.
If you use IE in sRGB gamut mode to view sRGB images and the monitor is set to gamma 2.2 the shadow detail is crushed, contrast looks a bit too high, highlights a trace different, saturation is a trace too high looking. If you set it to sRGB TRC then they look proper even when using IE or Chrome (although wide gamut images will look messed up in Chrome; if the monitor is in wide gamut mode instead of sRGB then any wide gamut images will look worst in IE, pseudo OKish sorta but not really in Chrome and perfect in Firefox). If you use Firefox they look proper no matter how anything is set or what gamut the images are in.