there is not a lot of difference between the easy family , they are in the same ballpark; satcom options are making the difference in weight actually ( weird is it not ?) A friend of mine is flying a 2000S one of the first delivered, and no wonder why they do not sell much of them, in favor of the LXS. The 900 Exy is in all aspect a much more versatile aircraft, especially from short runways, and depending on destinations the ability to start engines without APU is a real advantage.
To me, the 2000 was and is the Phenom 100 of Dassault, nice but wrong design decision ( even they did not offer other choice to customers); so today, too much compromises on this airframe, good for USA, as usual...