NeWs dAwG sends word that Amdmb has some scoopage. Athlon 4 may only be the name for the mobile version of Palomino. Stay tuned.
Update: Speaking of AMD, The Inquirer is reporting that the elusive Tyan dual Athlon motherboard is being listed for sale on a German website. The Inquirer also has a roundup of AMD related news (thanks to rand for both links).