That's about the size of it. If you own a legal AW that is presently a federal post-ban, you'll be able to legally doll it up with all the Evil Features you want.
No more permanently attached muzzle brakes, collapsible stocks allowed. Unmodified USGI upper on your post-ban lower if you please.
Keep in mind that the price of standard-capacity magazines in normal states will drop to more reasonable levels, so the price of replacement parts should drop as well.