Codplay
Codplay
Codplay

VOTE: BlueHost

I find that having a larger primary monitor, with 1 or 2 smaller secondary monitors is the perfect setup. I use a 24" 1900x1200 as my primary display, which (coupled with the Windows 7 Drag to Expand feature) can handle two windows nicely side-by-side (most commonly, my browser and Word).

VOTE: Tweetdeck (For PC / iPod Touch)