They did. Had a lot of 760MP threads on the Linux kernel mailing lists using plain old T-birds.
The AthlonMP 1.4GHz is out on pricewatch, and there are as yet unconfirmed rumors of an AthlonMP 1.8GHz part (GHz, not PR!) that are supposed to drop into NecX's stock on the 18th.
UPDATE: NecX has apparently taken the part off their page. Oh well...
"/join #hackerz. See the Web. DoS interesting people."