I once got a free "upgrade" to economy plus. They seated me at a bulkhead and (because no under-seat space) required my carry-on go in the bins where I couldn't

I once got a free "upgrade" to economy plus. They seated me at a bulkhead and (because no under-seat space) required my carry-on go in the bins where I couldn't see whether my company laptop was being stolen. If instead I could get elbow room and still have something to read, that might be worthwhile.