East Lake is not a strong choice yet, in my opinion. The water is greenish, the rainbows are still stacked on the banks doing the motions of wanting to spawn and overall the fishing is just a bit off. It certainly isn’t terrible but its not yet what it should be. I’d give it another week or so. 
If you are going, when we were there this week, Steve, Tonn and I all found similar things on different days. Chironomids fished 10-14 deep was probably the best bet, followed by ants and beetles in the shallows near the banks.