Congratulations! That sounds like a good choice.
Here are some "don'ts" I've heard about .45 ACP 1911's over the years that I personally apply to most firearms (when applicable).
-Never load a round directly into the chamber-- always load from a magazine.
-Never drop the slide on an empty chamber.
-Never drop the hammer on a field-stripped frame.
Manuals are a great resource in my experience.
As always, your experience may vary, be responsible, and be safe.