I like the Uberti Cattleman too. A friend shoots a pair of it and I got to use them in class for obtain my certificate and my star. That friend also thinks the trigger of the El Patron is a dream.
I went for the El Patron as the usual jobs are already done and it was not that much more expensive.
The El Patron has a slightly wider rear sight and front sight blade. That makes a significant difference in picking up the sight. Sight paint is allowed for CAS. You can paint your sights as black as you want. That´s more interesting if you shoot stainless steel revolvers.
I considered the Rossi 92 too. The 1873 won as it´s an iconic rifle that should have been in most western movies and made an appearance in "Firefly". Or maybe I just wanted to have one ( with that color case hardened receiver it´s a real beauty).
For me the .45 Colt comes as a close second to the .44 Rem. Mag. but it´s a photo finish. I reload too. I use 6.7 grs of Vithavouri N320 behind a 250grs H&N truncated cone bullet or a 230grs H&N truncated cone bullet (different OAL). The rifle does better with the 230 grs, for the revolver there is no real difference. I am contemplating trying black powder loads too. I am not really satified with loading data I got from fellow shooters though. Pouring 19grs of Swiss #2 and some cereals in a cartridge does not seem right.