+1 for the pool. Mining on a i7 3630, picked up 2 blocks soon after starting (dif 0.2) three hours ago. Since then nothing.

Difficulty keeps climbing too:

{
"blocks" : 8835,
"currentblocksize" : 1000,
"currentblocktx" : 0,
"difficulty" : 0.59957183,
"errors" : "",
"generate" : true,
"genproclimit" : -1,
"hashespersec" : 694965,
"networkhashps" : 386277105,
"pooledtx" : 0,
"testnet" : false
}