Download all acknex user magazines lot of examples (some need update). Look in the templates simple AI there. Browse this forum for AI scripts by Damocles. He released some of his work to the community. Only works for A6 btw, so you will have to update the scripts. Also you could wait for IntenseX if you don't like to program your AI at all.

I have that very simple AI script (from AUM) in A7 C-Script/Lite-C which follows the player and shoots you, but it is not finished yet. If you want have a look, just send a PM and i'll put a working example for download on my website.