Modern real estate professionals can invest in a wide variety of technology to reduce expenses and maximize productivity.

The new DisplayKey from Supra uploads and downloads showing and listing activity, as well as text messages from brokers.

Tablet PCs allow real estate professionals to use electronic forms to capture "wet" signatures from their clients and then immediately email those forms using a wireless internet connection.

Paperless transactions will be even easier as companies unveil affordable electronic signature hardware that clients can use on their own PC.

Affordable portable GPS systems can replace expensive, often outdated maps and guides.

A new generation of palm computers like the Treo combine computing power with portability.