Glad to see someone who knows about this stuff. I was going to get it with the T7500 (its 2.2Ghz, 800mhz FSB). Dell sticks DDR2 667 memory in it.
Inspiron 1420N: http://configure.us.dell.com/dellstore/config.aspx?c=us&cs=19&kc=6V440&l=en&oc=DNCWJL1&s=dhs
In case of a laptop issue, would it be...