[wh1t3bread]

The 6000, 9300, XPS Gen 2 should all do you fine for 4-tabling. But you need to get the WUXGA screen.

The 6000 is the smallest and most "portable" of the bunch. I have a 6000 and I like it alot. A friend of mine has the 9300 it is sweet as well...but it is bigger.