On drop-in vs whatever else, it's best to assume *and exercise* the notion that there is no such thing as a 'drop-in' stock.
No two barreled actions are identical.
Full bedding requires full bedding, and it's not difficult to do, and it's a good thing to do - especially when you're starting with a plastic-fantastic (even top shelf) stock anyway.
The makers you present for comment are both great. It's very likely that you can find a gunstock that will handle properly for your needs, that will be solid, durable, and stable through the seasons.

Choose the one that fits your hands and your style the best, then spend the hour or so and bed your barreled action.
You can't loose.

--Tinker