i know most ppl run dual displays. I was wondering if there's any benefits of running just 1 big screen vs 2 smaller ones? it looks like the cost would be about the same for the displays i'm looking at.

1x UltraSharp 2709W 27-inch WideScreen Black Flat Panel Monitor with Height Adjustable Stand

or

2x DELL ULTRASHARP 2408WFP
24-inch Widescreen Flat Panel Monitor
with
1 to 2 DVI splitter
http://www.gefen.com/kvm/product.jsp?prod_id=1403#buy