I have Dave Brown RCFS2001, Ikarus Afpro , FMS, and I still believe that the DB sim is the best to learn on. The FMS is like a game, not very realistic, only good thing is thats its free, and lots of planes to download.

The Ikarus is very good for 3D, and is quite spectacular in that respect, downside is thats its expensive, you have to have a serial port on your computer, and the planes are VERY difficult to land, and I would NOT buy it again. I bought it to try because of the hype on this forum.

The Dave Brown Sim in my opinion is probally the best. You can learn to land the planes using the OVERHEAD view, and the grids, in the Standard graphics mode. For average flyers it is the BEST.

I do not have G2, so I cannot comment on it. (Others will) Its expensive,and the most common one that is talked about on this forum.
bootlegr