Hello Greg,
Yeah there's a ton of resin, PE, decals and other aftermarket sets out from companies like Verlinden, Eduard, Aires and so on.
Here's a
link that will get you started.
Here is Eduard's PE set...
F/A-18 I'd suggest checking out on-line shops and use there search function typing "F/A-18"
Good luck with your search and looking forward seeing your project.
Happy Modeling,
Joe