Agreed, this pool is having 'issues' with payouts.  http://propeng.com:7020
Skip that one.

Convenient.  "Mining disabled. You can still cash out coins you've already mined."
You're welcome, I guess.

Paid Shares All submitted shares from previous rounds which are already accounted and paid for.
Your Valid: 47523

Unpaid Shares Total of all shares yet to be paid since the last confirmed block until now.
Your Valid: 77097