DVD and CD sites

 - http://www.imdb.org
 - http://www.dvdcompare.net
 - http://www.dvdpricecheck.co.uk

 - http://www.bensonsworld.co.uk
 - http://www.dvdplus.co.uk
 - http://www.play247.com or http://www.playusa.com
 - http://www.cd-wow.com
 - http://www.dvdpacific.com
 - http://www.dvd.co.uk
 - http://www.loaded247.co.uk
 - http://www.choicesdirect.co.uk
 - http://www.pricestorm.com

 Blank Media

 - http://www.wcwmedia.com
 - http://www.bigpockets.co.uk
 - http://www.digitalpromo.co.uk
 - http://www.blankdiscshop.co.uk
 - http://www.dvd-and-media.com
 - http://www.cd-writer.com

 Price Comparison Sites

 - http://www.kelkoo.co.uk
 - http://www.shopzilla.co.uk
 - http://www.froogle.co.uk
 - http://uk.shopping.com
 - http://www.dealtime.co.uk

 Geeky shopping sites

 - http://www.thinkgeek.com
 - http://www.gadget.co.uk

 PC Hardware Sites

 - http://www.ebuyer.co.uk
 - http://www.dabs.co.uk
 - http://www.planetmicro.co.uk
 - http://www.savastore.com
 - http://www.novatech.co.uk
 - http://www.tekheads.co.uk
 - http://www.microdirect.co.uk
 - http://www.tradeprice.co.uk
 - http://www.pcnextday.co.uk

 - http://www.kustompcs.co.uk
 - http://www.casetech.co.uk
 - http://www.komplett.co.uk
 - http://www.overclock.co.uk
 - http://www.overclockers.co.uk
 - http://www.order247.co.uk
 - http://www.thecoolingshop.co.uk

Misc Shopping

 - http://www.watchbattery.co.uk