All name brands are pretty much indistinguishable. I'd find the best sub $500-$600 15" or greater display you can find. Sunday ads are usually the best source as they are often loss leaders.
http://www.salescircular.com/nv/computer/laptpp.shtml
Edit: name Brand = Dell, Compaq, HP, Toshiba. I'd avoid both Gateway, and Acer.