I know almost nothing about meditation or Buddhism, but I would think that holding on to ideas and realizations so you can journal them is not just cheating "a little bit." It's contrary to the whole purpose of the exercise.
If you want to see some people making some seriously fast progress, check out practice logs on these sites:
http://www.dharmaoverground.org/web/guest/discussion/-/messa... http://awakenetwork.org/forum/kfd-archive-wetpaint