Its pretty cool. A nice level of detail and scale from my perspective. Its a beautiful game with good game play. My biggest challenge is finding an opponent. The game has a devoted following, but it never became as popular as X-Wing became.
Rumors have swirled that this might be a "dead game". The last unit released, the Super Star Destroyer (its amazing by the way), was late to stores by nearly a year and a half, and we haven't seen a new ship since, not even a preview. There have been some indications from Fantasy Flight Games that they intended to expand the game into the Clone Wars period this year, but who knows with all the COVID stuff. All that said, if you want to play Rebels vs Imperials, its a pretty complete game, and you can find most of the ships for sale in game stores. Its also still well supported - we got the latest FAQ in March:
I would mainly look at picking up second hand fleets at the moment. A lot of the product line is currently out of stock and being sold at ridiculous prices on eBay and such. It is an awesome game and I ended up liking it a lot more then X-wing.