B. G. wrote (21 Jul 2003 10:32:33 -0700):

That's tough to answer. There's a book written on the subject,
called "How to build your opening chess repertoire" by Steve
Giddins. IM Silman recommends this book in his review:
http://www.jeremysilman.com/book_rev...ild_chess.html

Not having read the book, I can't say whether it's good or not.

_
Also, perhaps look at:

http://www.jeremysilman.com/book_rev...s_opening.html