Agreed that Cobra's Curse is a lot of fun for what it is, and it brings a pleasant amount of theme to the park. Unfortunately it puts a lot of weight on the Egypt side, between itself, Montu, and Cheetah Hunt.
I've always wanted to see them drop a giga or hyper coaster along the park's western boundary, with a turnaround over the retention pond behind Kumba and Congo River Rapids. If they used the Gwazi or Bird Gardens area for the station, it would finally put some more compelling adult attractions back on that side of the park.