Oh lol, i thought i recieved day before yesterday, my bad, but recieved them on 6th morning and its 7th evening here now, so 36 hours. seems i have to wait for another day
Difficulty steadily rises. In the beginning it was 0.0002..., now it is ~ 1. You need essentially more time to create block than estimated 24h. Bigger values of Transaction amount and Waiting time increase Block Generation Probability.
I've mined about 10K COMM so far from 2014-03-28.