cracking motors are alfas these days, they're pretty reliable if you look after them.
depreciation is a concern if you buy one that's fairly new, but become reasonable money and don't drop off the radar like a ford or vauxhall does.
i'd have one, got to be a diesel for sure, jtd is very good, fairly refined for an oil burner.
not got the same interior quality and design they once had, but the 159 isn't a horrible place to be.