I just want to upgrade a bit. Or maybe spend more money.
I've only used the later versions without issue: The D75A and the later D45 with all-black face and after later ergonomic (not round) knobs (there is no D45A that I'm aware of).
". . . as you have no doubt noticed, no one told the 4345 that it can't work correctly so it does anyway."—Greg Timbers