We've received many emails from readers asking about the phenomenon known as micro-stuttering and what it means to multi-GPU setups in CrossFire and SLI. After running plenty of benchmarks, we're ready to weigh in on what turns out to be a real issue.

Single GPU or multi-card setup? That's a question we face every time we start a System Builder...

Updated 8:11 a.m. EDT 8/22/11

Just a few weeks ago, western observers were absolutely positive that the NATO air and sea campaign in Libya was going nowhere. “Can NATO actually win any of its wars?” the Guardian wondered. “Why can’t NATO whup Libya?” Time’s Mark Thompson asked. Center for a New American Security analyst Andrew Exum answered that the NATO wasn’t really trying all that hard to oust the dictator Moammar Gadhafi — and anyway, “it’s likely that a stalemate is going to continue.”

Now, rebel forces have broken through Tripoli’s outer defenses. Seif al-Islam Gadhafi, son of Moammar and...