http://www.pitneyworks.co.uk/w104/

Personal post postage meter with weiging scales try it for free for 30 days after trial it £18.95 + vat a month, if you do it in june get £20 free postage to use during trial.

Have heard spyware comes with the software mind so this is an offer of whether you can be bothered to get rid of it or not.