No, the keypool feature was created as a response of someone else (see http://forum.bitcoin.org/index.php?topic=782.msg8620). The creation of at least one new address must be triggered in order for the keypool to be filled, and that is still the case for version 0.3.22. So is there a reason why a new wallet.dat contains only 1 keypair until you create a new address? Seems like a bug to me...