I have two complete playsets of everything Star Wars LCG. While it is nice for deckbuilding (since I don't have to swap sets around), I'd rather trade the extra stuff for money or X-Wing stuff.

See here:

http://www.cardgamedb.com/forums/index.php?/topic/15140-extra-star-wars-lcg-stuff-for-saletrade-for-x-wing-sets-coin-promos-world-playmat-more/

Good luck! I think it's a good decision on your part. Money is nice.