The infamous scoble has mentioned that the MSN search engine has been updated. I’ve found that it is certainly very quick – as a bit of a test I search for a keyword from a snippet of source that I posted up.
Its a dinky (for dinky – see inefficient and bug ridden) little implementation of a CacheDependency which checks to see if files on a HTTP server have changed. The MSN search didn’t find a hit, but Google did.
I can only think that this is an issue of scaling. Google probably has a much larger index that the MSN search, and you can only spider so fast.
For the time being the Google Toolbar is going to remain – hits on obscure source code references are extremely important to devs me thinks.