I'd also have to recommend http://www.ai-junkie.com/! Mat Buckland is the author of the tutorials on his site AND a book that has been added to the Game Development Series(unfortunately uses C code, but it's the theory that counts most!)

If you try any of the Delphi demos, know that the minesweeper demo for Delphi is garbage. There is a member 'Lucky" that has made a working copy, but I cannot recall where it can be located now. (It was some time ago)


But so far using NNs with GAs is probably the nicest method of using NNs for anything. However you will require a 'trainning mode' or 'trainner' for your NNs to evolve them and teach them how to do the tasks you require.