There's a used Mexican strat on Evilbay I was thinking of getting and modding over time. It's cheap, but I'd change the pickups, neck, tuners, and add a Ghost system eventually.
According to Warmoth's site, they don't specifically say they don't, but they don't say they will either.
I cannot speak to modern Mexi Srats, but back in the mid 90s, I had a Mexi neck bolted up to a Warmoth body with no problems. Honestly, I cannot see Fender changing those specs--consider that Mexican Fenders are simply the factory seconds from the USA plant.