rMBP and dispcalGUI Tips?
You can check quality of your profile here and here. You can also compare gamut of your newly created profile with the default provided by Apple in the ColorSync utility. If you are not happy with the quality, you can try different test chart file, changing profile type from matrix to LUT, changing slightly Gamma etc.
|Madrid subway by MAGMATCICO62|
from Your City - Public Transport
|Incandescent Bulb by Kukla|
from Illuminate- Macro only
|Curiousity by PERCY2|
from Macro - Your Best Macro Ever
|Hoar Frosted Trees by sabishiT3T|