I have mined with 0.6RC1 for more than a day on several machines and got
264 7chains
16 8chains
1 9chain (a block found 15min after I started miners)
The ratios don't look quite right.
Now it has been 2 days and 9 hours on my two win7 i5 and one win8 Xeon machines. In total I get
445 7chains
32 8chains
1 9chain
I am getting far less long chains compared with 7-chains. At this rate the per-day reward isn't better than that on ypool at all. If there had been 44 8-chains and 4 9-chains, as suggested by the number of 7-chains, the reward rate would improve by 50%. That is before correcting for ~10% rejection rate.
I see others can get 9s just fine. I am going to restart all my miners to see what comes out of it. If it doesn't help, I will have to wait for a new version of miner to mine at beeeeer.
By the way I am using port 13337 because 1337 doesn't work here.
try my build, link posted above

on 24 core opteron (which is 2.5 3 times of my i7) :
Found Chain statistics:
5er chains 42791 4194.0539 ch/h
6er chains 4439 435.0776 ch/h
7er chains 454 44.4977 ch/h
8er chains 42 4.1165 ch/h
9er chains 2 0.1960 ch/h
10er chains 1 0.0980 ch/h
runtime 16 hours
After restart :
--------------------------------------------------------------------------------
2013-10-15 14:51:51 primemeter 2717.6852*10^9 number tests/h
Found Chain statistics:
5er chains 10320 4151.5253 ch/h
6er chains 1082 435.2665 ch/h
7er chains 113 45.4576 ch/h
8er chains 16 6.4365 ch/h
9er chains 1 0.4023 ch/h
--------------------------------------------------------------------------------
********************************************
*** running time: 2.475hrs
***
*** 7-chains: 94 (88.679% | 37.984/hr)
*** 8-chains: 11 (10.377% | 4.445/hr)
*** 9-chains: 1 (0.943% | 0.404/hr)
***
*** valid: 106 (82.171%)
*** rejects: 23 (17.829%)
*** stale: 0 (0.000%)
********************************************
a lot of rejects welll