...i am thinking about C band from 53' East To 45' West
A 2.0m dish should get you a decent range of C-Band satellites from those located between 53.0E to 45.0W.
From personal experience with a 2.0m dish I struggled with 38.0E and 43.0W and got nothing from 45.0W in C-Band.
I did get some frequencies from 38.0E and 43.0W to lock but the frequencies on 45.0W are on the Americas beam and I could not receive them.
On a more positive note, I locked a lot of stuff from 40.5W including ESPN and other useful frequencies.
It was in excess of 200 channels locked from 40.5W.
If you check out the C-Band section of the forum for some of my past posts there are tables of scan results from satellites ranging between 57.0E and 47.5W using a 2.0m solid dish.
From a quick check of my notes, I locked C-Band signals from just over 20 satellites in that range but I think there were possibly one or two that I did not test.
Good luck in finding a dish.