Last night I decided to give the pool another test. After 18 hours testing I feel safe to say that all seems to work fine for me. My ping to the pool is 217ms. Mining on a 7950.

[18:48:22] Started at [2014-02-24 00:45:34]
[18:48:22] Runtime: 18 hrs : 2 mins : 42 secs
[18:48:22] Average hashrate: 621.0 Kilohash/s
[18:48:22] Solved blocks: 1
[18:48:22] Best share difficulty: 1.48M
[18:48:22] Share submissions: 1213
[18:48:22] Accepted shares: 1132
[18:48:22] Rejected shares: 81
[18:48:22] Accepted difficulty shares: 579584
[18:48:22] Rejected difficulty shares: 41472
[18:48:22] Reject ratio: 6.7%
[18:48:22] Hardware errors: 0
[18:48:22] Utility (accepted shares / min): 1.05/min
[18:48:22] Work Utility (diff1 shares solved / min): 576.14/min