At least my Sqidoo lens is already indexed on Cuil. Let's see how they'll perform in the future, although I highly doubt they will become a big competitor to Google fast (or at all?). Anyway, a little competition doesn't hurt the search engine market.
Oh, here's a nice post about some issues with the brand name "Cuil" as such:
chrisbaskind.com/2008/07/28/how-cuil-is-it-to-misspell-your-brand-name/
LATER EDIT ( by Midwest ): Another link activated..now you owe my another beer
