TI still makes a lot of them, but you have to mix and match series if you want broad coverage of the device family. This document is a very helpful overview of their range and how they interoperate: http://www.ti.com/lit/sg/sdyu001aa/sdyu001aa.pdf
(fwiw it sounds like you know what you're talking about; I just wanted to share this info for anyone else who might be interested)
