And a follow-up question that I should have tacked on: for those who've
had both ultra-lights and a slightly heavier beast (such as the Dell
Inspiron 4100), do you find the weight really makes that much of a
difference?

Thanks for any answers or insights.

-- 
"Source code in files. How quaint." - Kent Beck
"Maybe this world is another planet's Hell." - Aldous Huxley