Does anyone know how people are selected for this weekend? I was admitted SCEA and declared that I would be doing the EE and Comp Sci major, but do not know if I am eligible for the weekend since I was EA admit. Any help on this would be fantastic! 
YES Weekend is for those who receive likely letters for RD round.
Any news from more likely letter recipients?
Yes they have, you can check the YES thread in this Yale section. Still unsure whether everyone who should have been notified have been notified yet.