Agreed. I did big launches in the pre-internet days, when the sage marketing advice was that you only had one chance to make a debut. No one was going to writ

Agreed. I did big launches in the pre-internet days, when the sage marketing advice was that you only had one chance to make a debut. No one was going to write about a 6 month old product. It was hugely expensive and the risk of failure or being ignore was high. Today it's way different. Put your site out there quietly. Find out the problems and strengths. Polish it. There is lots of good advice, here and elsewhere, about how to publicize your site.