I've been buying CAPT at around 4000 satoshi for a few days now, but the price keeps on dropping! I think it'll continue to drop until a few days before the reward halving. I'll probably wait till then to get it even cheaper.
I' am assuming that during 1 or 2 day when the reward halves the price will continue droping since a lot of guys will just quit from doing captchas and will try to sell his capts ... and probably later price will rise again ... but I think that the price still will drop a little more .