[Berryman]

Trimble Fitness Training, Geocaching and GPS Navigation Services are now Available for the BlackBerry 8800, BlackBerry 8820 and BlackBerry Curve 8310 Smartphones

Trimble's GPS applications are immediately available for 30-day trials on the Trimble Outdoors web site at BlackBerry Pre-release Trial - Trimble Outdoors. The trial versions support the BlackBerry 8800, BlackBerry 8820 and BlackBerry Curve 8310 smartphones. Full versions of each product will be available through Handmark (Handmark | Software for your Palm, Blackberry, Pocket PC, Treo, PDA and Windows Mobile Smartphone Devices) later this month for $39.99 each per year or $5.99 each per month.

Here for full details of what each application can offer:
Trimble Adds Three GPS-on-Cellular Applications for GSM-based BlackBerry Smartphones with Built-in GPS