Bummer the computer won't run G2. It's a really nice item and will help with learning to fly. Find a local club through the AMA site
http://modelaircraft.org/templates/ama/
Since you have the Cox control line you have something to use for learning how to start an engine and a few other basics. U/C flying can be great fun and less costly than RC. Look through this site and you will find a wealth of information.
EXCAP232