Will aspirants be at a certain advantage this time around with the CAT results being announced before the XAT?

Some XAT aspirants might have already been receiving calls from IIMs before they write XAT. While the others who did not will be all the more determined to qualify XAT. 

Yes, it will be an advantage to all students appearing for XAT because they will know where they stand. Most of the people who get really good scores in CAT rarely sit for XAT.