I've found something that works for the ever-common, ever-insidious Internet-itis. It's the Last 15 Minute Lifehack, wherein you wait till the bottom of the hour to succumb to such follies as Facebook, MySpace, Gmail, MyYahoo! and Nerve Scanner. And even then, you try to keep working if you can.
The way I see it, if you only really suck for a quarter hour every hour, you're doing pretty damned well.
Now the challenge is to set up a system to create targets during the other 45 so that I'm definitively rolling forward with my myriad writing projects. Call these targets artificial deadlines; they're still a work in progress.