techcrunchuk UK webcast roundup [Tweet](https://twitter.com/share)Mike Butcher at Techcrunch UK has a[ great round up of UK efforts at webcasting:](http://uk.techcrunch.com/2008/03/11/home-grown-video-shows-on-tech-are-almost-there-but-not-quite/) Without access to a potential audience of millions in the US and the subsequent advertising revenues,