FAL vs. M1A, for me I originally liked the M1A better, but then I played with a FAL. It just seemed to fit me better. With mine reliability has been excellent, with neither myself or the previous owner having any malfunctions. (Except for one Cavim round that was horribly out of spec, it wouldn't even feed in my Ishipore, thats how bad it was). I like the adjustable gas system, just in case your gun gets really gunked up.
The M1A has better sights, but mine is scoped, so that doesn't really matter. Also I would say that the M1A is probably more accurate, as the FAL tends to string its shots vertically. But for all intents and purposes, I haven't noticed very much difference in accuracy.
Also mags are super cheap.
Either way your going to have a fun rifle, I have a buddy with an M1A, and he wouldn't trade it for anything. On the M96, I don't have a clue. But George took a tour of their factory and came away impressed. So which ever one you get it is probably a win/win situation.