Provides updates on the price of gold using the BullionVault service. There are 3 data sources one for each supported currency: USD, GBP, EUR.
By default prices are updated every 45 seconds.
You need to download the file and run, in the command line: plasmapkg -i 139036-bullionvault-dataengine.dataengine
There is a client plasmoid: http://kde-look.org/content/show.php?content=139037