Espio
Kokomo
I actually use back 2 into that kick and fireball OTG them sometimes cause I like the shoryuken look of the move lol.I dunno about neutral 4 for Sindel... I guess it'll work if it's a far away jump but, I've often pressed it (cause I'm bad) and eaten a jip for it.
I would probably add U4 to her list, maybe B2 but I never use B2 to give legit experience on it. Also her hair whip can anti-air but I defiantly wouldn't put it as one of her 'best' anti-airs xD