Software Testing Tools Question:

If a website goes viral and DiggDigg reviewsDigg reviews, TwitterTwitter reviewsTwitter reviews, and StumbleUponStumbleUpon reviewsStumbleUpon reviews all converge on it at once, will it be able to handle the stress? Load Impact helps answer that question. It simulates large userload on web servers to determine whether or not they can handle the high traffic load. It comes with a free version and several paid versions.