FS is not really good to fly VFR using only landmarks, because they are pretty hard to see. I usually fly my routes I plotted on my charts in FSX before I use them in real life, it is really useful to practice tracking and timing and wind corrections
Believe it or not but I've never been in a C172 though! It's a good thing I can fly a realistic one in FSX soon ... However I wished there were some more realistic Piper Cherokee 180's available too
