Doing it in LaTeX was quite a nice experience. I used the a0poster package. Most of the figures are done in TikZ. This includes the plots: there is a very nice TikZ-Terminal for gnuplot. You have to recompile your own gnuplot in order to use that terminal, but that wasn’t so hard. The gate diagram was done using quasm.
Here is the complete source for the poster, without the data for the pulses: