I've never had a transaction take more than 3 seconds to transmit and be received, so yes reasonable transactions are still very fast.
Not sure what you mean by "reasonable." You never had to wait for (at least one) confirm?The title of this thread says nothing about confirmations. Just transactions.
In that case, dropping a check in the mail is the fastest way to transact. True, Grammy won't be able to spend that money until she gets the check, sticks it into her bank account, and it clears, but hey, if you want to be excruciatingly literal, there you go
