Well, I took 1MH as a test.
I did plan to invest more, but with current trend, it's a no-go for me.
Who knows.. maybe I'm wrong

Depends on what you are comparing too really.
But yes I do notice that the payment is going down steadily over the last few days.
Take a look at my videos where I am comparing contracts with two providers over the last few days for example.
You can find links to those in previous posts in this topic, here for example.
https://bitcointalk.org/index.php?topic=602022.msg8940322#msg8940322Quite interesting really, but I wont waffle on about that. lol
got my first payment under 0,0004 BTC / MH today, hope it doesn't continue like that