"Bitcoin Accepted" already happened... now waiting for the consumers to start using bitcoins and treat it as the real money.

Where could you even pay with bitcoins? I don't see the option yet

u deposit them to account then u can pay

I don't see the option to do so when depositing funds,is it available in the USA right now and the mac?

Read what HostFat posted above ^. The payment option will be re-enabled tomorrow, checkout this first ever bitcoin transaction Bitcoin Transaction.