They aren't that expensive if you by the cheaper kind, even though they are cheap they actually work pretty well. They say you can't have anything blocking the view but mine have tons of trees, a barn, and a wall.. Perfect signal on one.
She looks like she is about ready to go... Lena is dropped more then her and hasn't spit hers out! Someone told me on my thread that the fillies like to drive people insane. :) Did you ever say what you want? Colt or filly?
Hoping your mare pops soon as well, she looks like she needs to. I'm thinking there will be lots of pictures soon. Good luck!