Buzz monitoring sites as supplied by from Chinwag/various readers:

www.techrigy.com

www.technorati.com

www.blogpulse.com

www.moreover.com

www.opinmind.com

www.yahoopipes.com

www.boardreader.com

www.boradtracker.com

www.omgili.com

www.nielsenbuzzmetrics.com

www.attentio.com

www.wavemetrix.com

www.23.co.uk

www.radian6.com/cms/home

www.brandwatch.net

www.tnsglobal.com

www.clipability.co.uk

www.precise-media.co.uk

http://ewatch.prnewswire.com

www.cyberalert.com

www.newsnow.co.uk/services

http://alerts.yahoo.com

www.tweetscan.com

www.summize.com

www.netvibes.com

www.newsping.com

www.trackengine.com

www.collectiveintellect.com

www.newmediaintelligence.com

www.divinitymetrics.com

http://andiamosystems.com

www.diydashboard.com

http://www.onalytica.com

http://www.1000heads.com/

http://www.marketclusters.com/

http://www.marketsentinel.com/

http://factiva.com

http://www.asomo.net

http://www.brandintelligence.com/

http://www.infonic.com

http://www.mediatrack.com

http://www.cision.com

http://www.thomson-intermedia.com

www.Mymarketmonitor.com

www.spannerworks.co.uk

www.wavemetrix.com/

www.compete.com

www.beyondanalysis.net

www.envisional.com

http://trend.icerocket.net

www.radian6.com

www.reuptica.com

www.reputrace.com

www.vml.com

www.analisisdemedios.es 

www.sentimentmetrics.com

 www.blogscope.net

www.buzz.io  (Beta)

Make use of Yahoo Pipes to monitor a whole host of social media sites and sources http://lm.chinwag.com/t/4777192/3561622/436362/0/

You can then export the results as RSS feed