Another vote for Awesome WM. Like you, it was my first (and, so far, only) foray into tiling WMs, and I'm using it on dual 21" monitors. I usually have Chrome

Another vote for Awesome WM. Like you, it was my first (and, so far, only) foray into tiling WMs, and I'm using it on dual 21" monitors. I usually have Chrome on my right screen, several tabs worth of terminals on my left screen, and Komodo Edit will float back and forth between the two, depending on what I'm doing.