Central London pics
All with DP2M
Click image to see big version on black background
They don't look dark to me, so it must be differences in our monitors.
It's pretty impossible to know how something is going to look on someone else's set up, sadly.
What would be really good was if it were possible for calibration devices to do a feedback loop: once you have calibrated your monitor, you should able to re-run the test against the calibrated screen and get a read out of how close to standard your profile is.
Excellent set of images , with each one being understood why you chose shoot them. They looked fine from this end as far as tonal graduation. Quality and quantity, which is good to see.