I personally like the AUG better, but the TAVOR is available.
Better trigger, low bore axis ( almost like an AR), less unnecessary bulk, more compact and therefore easier to shoot well and accurately. The downside is that AUG cannot be submerged in water.
The TAVOR seems to be a more mechanically reliable system, but the ergonomic of the system is like an XL with lots of unnecessary bulk. The bore axis is high which is a big problem in close range. I can see the reason why the IDF is switching to the X95.
The FS2000 is a nice gun to shoot, but it can be rendered completely inoperable by stoppages that require complete disassembling to correct the issues. I am not too hot with airsoftish 2 piece clam shell bolts+nuts plastic construction either.
Yes, I will go out and buy an AUG if I can, and when X95 becomes available.