From the sounds of this Finanial Times article, Google is about to roll out a product that lets bloggers add a customizable search engine to their pages. Sounds a lot like Rollyo and Windows Live Search Macros to me.
::UPDATE: It's now live on the Google Coop site. It is a Rollyo Live Macro clone. One interesting feature is the Google Marker, which lets you add and label sites to your Custom Search Engine. Here's a search engine I built to scrape my blog.








