hmmm. that is a tough one. Easier in what respect? husbandry as far as hardiness or getting along with tankmates? the French is hardier than the queen, but not by much, and the queen will more than likely play nicer with your other fish. I say queen. That being said, it will totally depend on what size you get. sub-adults ship much better than adults or show fish, which is the pain about them, having to wait for them to tranform into their adult markings. Still, go with a 4-5 inch queen. Be careful not to get a townshend angel passed off as a queen. they are a mix of a blue and queen angel. Their colors as adults are quite muted. It is better to get either a blue or queen. For some reason they get shipped from time to time and fish stores will try to pass them off as queens. take a pic when you think you found the one and I will let you know.
-Doc