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Old coins communities have either given up on the coins or are satisfied with the current state 
You should have put the poll in the [ANN] section.
Add Freicoin (FRC). Goto www.freicoin.org. And add Datacoin (DTC). Goto www.datacoin.info.
Why don't you work with CoinPayments? Or just support the same coins.
https://www.coinpayments.net/index.php?cmd=home
You should support the coins that are on the big exchanges (Vircurex, BTC-e, Cryptsy, Bter etc.). And the ones that have payment processors like CoinPayments.