Below 20, only those could get money out of it (and let's put the ideologistical bs aside, 99% of the people are into mining for the money...) that were fortunate enough to ride the recent bubble since February. Now we're in a slow, but steady decline, difficulties reached the point where everyone realizes, who jumped in, that: Ohwaitaminute, the golden age seems to be ending, wtf..?!
It'll, and it'll just get even worse. Temporarily LTC on gox will soar the prices of LTC a bit (and knock btc down a bit in my opinion), but after 10-12ish USD per LTC it'll collapse back to nowadays level. In 4 hours of trading. Then, for a year minimum, we'll never even see 100USD BTC, and 6-7USD LTC ever again.
But I am no oracle of course, but now we'll have to wait 2 years again for a surge like this we had the last few months.
PS: You know, a miner, who mines seriously, the only way to maintain income is to "flee ahead" and convert the earnings to hardware, so they can keep the steady flow of income. There is a point (mind you, in a week) where cashouts will be a LOT heavier, and they'll decide, after putting numbers in the magical excel sheets, which gets the data back as: not worth it, leaving advised. The last bump everyone is waiting on is coming hopefully this year having LTC on gox, and what's left after that? Nothing. Be around for those few hours, cash out, and come back in 2 years to do the ride again. I myself surely will do that
(And I'm no high roller, I have only 12 gpu's) And what does heavy cashouts do? What you see now. Decline in price. And this is a baby's bottom cashout amount now, it'll get a LOT worse.
You might say that is a good thing. Because difficulty is not tied to the price, but inversely yes. But I don't think so.
