Hewlett-Packard on Tuesday introduced a line of inexpensive small business notebooks, called ProBooks which offer a choice between Windows or Linux operating systems.

he HP ProBooks give you a choice of an Intel or AMD processor across most of the line, as well as choices of 14-, 15.6-, or 17.3-inch diagonal HD widescreens with a 16:9 aspect ratio.

The netbooks retail from around $529 and are available with Windows Vista, which can be downgraded to Windows XP.

Most of the ProBooks share similar features, including:

-800 MHz DDR2 SDRAM two slots expandable up to 8GB

-Up to 500GB SATA HDD internal storage

-Wi-Fi a/b/g/n

-ExpressCard/34 slot

-Media Card Reader

-Ports: four USB 2.0, VGA and HDMI

-Full-size keyboard

-Options include: Blu-ray ROM DVD+/-RW SuperMulti DL LightScribe Drive5; 2 MP webcam; and Bluetooth 2.0

Here's the breakdown for specific models:

4410s (Intel) and 4415s (AMD)

-14-inch diagonal widescreen with 16:9 ratio

-ATI Radeon HD 3200 integrated graphics, ATI Mobility RadeonTM HD 4330 discrete graphics, with 512 MB dedicated video memory

-6-cell Lithium-Ion battery

-Weight: 5 pounds with optical drive

-Dimensions: 1.22 (at front) x 13.2 x 9.15 in

4510s (Intel) and 4515s (AMD)

-15.5-inch diagonal widescreen with 16:9 ratio

-integrated number pad

--HP un2400 EV-DO/HSPA Mobile Broadband Module that HP says will work with multiple mobile broadband carriers

-Mobile Intel GMA 4500MHD, ATI Mobility RadeonTM HD 4330, with 512 MB dedicated video memory (4510s)

- ATI Radeon HD 3200 integrated graphics, ATI Mobility RadeonTM HD 4330 discrete graphics, with 512 MB dedicated video memory (4515s)

-8-or 6-cell Lithium-Ion battery

-Weight: 5.7 pounds including optical drive

-Dimensions: 1.24 (at front) x 14.6 x 9.83 in

4710s (Intel only)

-17.3-inch diagonal widescreen with 16:9 ratio

-ATI Mobility RadeonTM HD 4330, with 512 MB dedicated video memory

-8-cell Lithium-Ion battery

-Weight: 6.8 pounds with optical drive

-Dimensions: 1.26 (at front) x 16.17 x 10.63 in

All HP ProBooks come with HP Smart AC adapters that allow the notebooks to automatically make power adjustments as needed.