1) The numbers that i was primary proposaling are the numbers (current exchange price) that are the "most profitable" at that time. It is just a basic addition to the stats that would enhance the already shown "most profitable" and should be as easy as the already shown "most profitable" coin as it would come from exactly same data.
Coins are mined continuously. Do you want the last block of the most profitable coin, or the average for the last [time period] of the most profitable coin?
What if the "most profitable" coin being mined is only 25% of the pool?
What about "price/btc"? Time it was mined? Average over the last [period of time]?
You also want the actual exchange rate. Sometimes that doesn't happen for a while (hours). Wait to post until the exchange actually happens?
You also want the number of coins exchanged, and the realized BTC. What happens if there are a bunch of blocks that are all exchanged at the same time?
PW's accounting has that all matched up in order to allocate distributions. If you want real-time data, you can't get the actual exchange rate, because it may not happen for a while (takes time for coin to become confirmed, to transfer coins to exchange, and to execute an exchange order).
PW already publishes a list of recently found blocks on the Stats page. I suppose he can add to that list the spot BTC/coin at the time it was mined. Maybe also add the pool hash rate. Then you can estimate your share of the payout.
I don't know how hard it would be to add an exchange log: coin name, time, # of coins, BTC received.
Then you can do all the math you want.