O wow They are amazing!! go for it, you can always let them hatch out some keets to even the score 
For the egg hiding
that They will want to use all my hideaway places I have been putting together.
Try making your own spots around your walkable portion of property > like wooden tee pees
picture compliments of http://guineafowlbirds.com/Guinea-F...aphs/Guinea-Fowl-Eggs-in-Nest-with-Hen-1.html
or dragging out large branches and such to different areas to create enticing hidden spots
I also have been taking some large rocks to make almost a circle then a few sticks followed by extra chicken wire on top to be able to weave grass & other sticks in to create little huts

For the egg hiding

Try making your own spots around your walkable portion of property > like wooden tee pees
or dragging out large branches and such to different areas to create enticing hidden spots
I also have been taking some large rocks to make almost a circle then a few sticks followed by extra chicken wire on top to be able to weave grass & other sticks in to create little huts