[H] Source for Athlon XP cpu's?

[j m g]

Folks,
I'm looking to upgrade cpu's 1 final time on my asus a7n8x based
desktop.  I didn't realize Athlon XP's had become so hard to find. 
Anyone know of a reputable source for a 2800 XP or so.

--
-jmg
-sapere aude