A small amount, but a constant headache keeping up with the pool being down. Does not reflect well on DMD.
Constant problems are to be expected with any coin.
What doesn't reflect well on DMD is the cheesy 'BONUSBONUSBONUS ACT NOW NOW NOW' cloud marketing.
It's the dime store version of Paycoin and GAW.
Let's list the known use cases for DMD:
1) buying DMD cloud mining, to earn more DMD
2)
I think ^this^ is why only one pool is (kind of) bothering to support Diamond.