What is the ideal method/temp of brewing Turkish coffee in a Cezve? Are there specific methods to brewing the perfect Turkish coffee and temperature to heat it to?
You should heat your coffee upto about 70 degrees Celcius so it builds a foam or froth but do not let it boil! You need to keep it at this stage for as long as you can, and if the coffee starts to get to hot and appears to rise then move it off the heat and repeat at most 2 times.

A few important things are


use fresh coffee or it will not foam as well
pre-heat the water in the pot first, without the coffee, just until it starts to heat up
do not stir until the coffee sinks itself
allow the coffee to heat slowly, not on a high heat (I don't directly place the pot on the heat ring - slightly off of it)


Here's a link to a useful page on Turkish coffee world website with a method for making Turkish coffee.
http://www.turkishcoffeeworld.com/How-to-make-Turkish-Coffee-s/54.htm