Is there something wrong with the BTC pool? I'm running the SHA-256 Multipool, and whenever it switches over to ZET or TRC I mine and payouts work just fine, but when it switches over to BTC I register a hash rate but I've apparently earned nothing, and I mean like balance is all zeroes even to the billionth of a bitcoin nothing.
EDIT: Also I never get a 1 minute hashrate for my SHA-256 mine (when its on BTC) but I get a 10 minute hashrate.
When I switched my difficulty for sha-256 to 512 I began to get 1 minute hash rates.
Also, I made the mistake of running Bit Eruptors and BFL Singles in the same instance of cgminer. The Bit Eruptors are so small they need diff=1 but that is much too fast for a 60 GHps miner. I think that using the highest possible diff for your sha-256 miners would help the pool server cope better with all the new traffic.
At diff=512 for BFL Singles I get reject rates <1%. The MP web report also shows a higher hash rate than cgminer reports.