Mark,
Other than this forum or the one at RC Groups,
www.ezonemag.com, I know of no others.
Both contain a wealth of info as to what will or will not work. RC Groups does have a lot more on brushless/ lipos, and a great paint section, But I would say, when in doubt ask here, someone's sure to have run into it, and can give you the proper advice and/or tips.
Best of luck with your new bird.
BJ