What I really want is to know how much BTC i earn for each block found. This should be a simple accounting type of idea.
That's already in there. Look under "my account" -> "transaction history" in the website menu. All the details are there and you can download it as a .csv file to import into a spreadsheet and play around with if you want.
I could be wrong, but I think Fahlcor wants to see the earnings for a block as soon as it has been found. It doesn't show up on the transaction page until it has be confirmed and irrevocably paid. I understand why it would be useful but I also understand that until a block has its 120 (did that change to 100?) confirmations it really isn't money in the bank (without a perk). Perhaps "Unconfirmed" payments could be broken up to show the amount from each of the blocks awaiting confirmation.