I'm starting another round of 500, batches of 100:
Batch1: 100 eggs, 0 shinies
Batch2: 100 eggs, 0 shinies
Batch3: 100 eggs, 1 shiny (egg #724)
Batch4:
Batch5:
(800 total, 2 shinies)
If I decide to do more after this, I will just edit this post instead of my first one.