I currently shoot with a NEX-6, 16-50 kit lens, 105mm Sigma f2.8 and the 70-200 Tamron F2.8 (both zooms use the A mount adapter).
I'm planning to upgrade to the A7 in the next few weeks, so will lose the 16-50. This isn't necessarily a bad thing, as it's not the greatest lens known to man, but...