Telmap offers voice-guided GPS navigation beta for free
 

Telmap Navigator is currently open for beta test and you may participate in it by joining the Telmap User Group. If you are residing in one of the following countries: France, Germany, Israel, Italy, Netherlands, USA, Canada, United Kingdom, Spain or South Africa you are eligible to take part in the beta testing. You can sign in through the Official Telmap User Group web site.

Currently, Telmap is especially looking for people with the following handsets: BlackBerry 8900 and 9000 Bold, Sony Ericsson C702, C905, G705, W715, W760 and Z780, however additional devices are also wanted, including Windows Mobile and Symbian-powered ones. More details can be obtained again on the web page, mentioned above.

http://global.telmap.com/