they'll sell you a 64-processor x86 Linux box. :)
http://www-1.ibm.com/servers/eserver/xseries/numa/hardware/x430_descr.html

64 900MHz P-IIIs... not too shabby. :)

last I knew, Linux was still limited to 32 processors on x86 hardware; but I
think that limitation will be removed in the 2.5 series.

Carl Soderstrom
-- 
Network Engineer
Real-Time Enterprises
(952) 943-8700