The sprues are identical as far as I am aware.
Also there are rumours that we will be get a larger box over Christmas. I don't remember the details but some of the numbers I can recall were 20 wyches, 10 warriors, 9 reavers, some number of scourges plus other stuff. Its something a little bit over $300 Australian, which probably means 200 or 250 American/Canadian.
Kabal of the Twilight Sun
Cult of the Seven Sisters
Coven of the Iron Sigil