Craig Berkheimer has been running a Moser 12-bolt housing (and guts I presume) for about 2 years now in his 10 second Firebird. No failures.
$$$ is no object?
IA block punched and stroked to 500+ cubes.
Crower or Eagle rods.
Ross or JE pistons.
Wenzler Super Chief heads, ported/flowed to near 400-cfm.
Solid roller cam.
Weiand 8-71 supercharger setup.
Built TH400 transmission.
Built 12-bolt or Ford 9" or Dana rear.
Let's see, that'll put you somewhere around $25-$30 thousand dollars, give or take $5 thousand.
Let's be serious and talk about what your intended use of the car will be.