Armada looks terrific.
X-Wing has been awesome.
But is it basically the same game, but at a different scale?
For example, as a former 40k player, I loved my 28mm armies and pushing them across the battlefield and rolling dice to attack the other side. As awesome as Epic 40k looked with their 6mm armies, I couldn't bring myself to buy into a new system. I didn't have time to play and paint a whole other game – a game which was also pushing miniatures across the battlefield and rolling dice.
On the other hand, I own Blood Bowl and Blood Bowl Team Manager (a great FFG game.) Even though they're the same universe, the two games fulfill different needs. They scratch different itches.
So is their room on your tabletop for both X-Wing and Armada?