I'm using amazon ec2 spot inscances. About 45 of them (c1.xlarge/c3.xlarge/c1.medium).
And a script that push every minute the wallet of the mining spot instance to a regular instance.
I wich I had the same ratio mmc/hmp as you !
Maybe the luck does not want to deal with me, I don't know.
I think that bitcoind only shows mature balance, so open those wallets with qt client. Or get the address from those wallet files and search for it on http://www.chainbrowser.com/memorycoin/ .And a script that push every minute the wallet of the mining spot instance to a regular instance.
I wich I had the same ratio mmc/hmp as you !
Maybe the luck does not want to deal with me, I don't know.