Originally Posted by: belkina 
I'm a long time user of the Chamber strings. What do the Elite Strings add that the Chamber Strings don't have?
Alan,
From the short time I've been fiddling with and exploring Elite Strings, I would say that while the libraries are similar in section size, the core concept between them is quite different (and I don't just mean dry VS mic'ed).
Elite Strings has less overall articulations than Chamber Strings (especially if you include the sordino verisons), but the core articulations are comprehensively fleshed out, to the point where they become less like patches and more like playing styles.
To be more specific, you have legato, fast legato, expressive (baked in swell) legato, perf. detache, fast perf. detache, long, expressive long, portamento, and expressive portamento. All of those have three types of vibrato (regular, without, and strong) that can be crossfaded or individually chosen. All the perf. intervals sound convincing, so it's safe to say the core of the library is about shaping expressive lines with more control over dynamics, bow style, and vibrato amount than one usually gets.
The other thing that really sticks out to me is that tremolos, fast reps, and trills (!) have legato transitions and they actually sound quite good - something I haven't seen in a lot of other libraries. There are divisi presets as well, but I haven't gotten around to messing with those yet. Of course, it's got nice short articulations, pre-recorded dynamics, and whatnot, but to be frank, Chamber Strings contains a more comprehensive set of those. All in all, I would say these two libraries are apples and oranges - one is not a replacement for the other, in my humble opinion.