Imagine for weeks you heard of a wonderful Grand Opening of this wonderful store getting ready to occur only to find that when the Opening happened, the store was empty. How damaging do you think that would be to your site? On the Web we aren’t given too many second chances to make a lasting impression on a user, so why do so many people waste the first opportunity to do so?
Noobody is expecting you to launch a site with 100 pages of content, but is it so hard to rollout 4-5 entries at launch with the intention of continuously updating afterwards? And no the Welcome entry shouldn’t count as one.