With PC sales and profit margins shrinking, big computer companies are rolling out a wider variety of small business networking hardware. Prices are lower than ever. The starting prices for Dell servers, storage hardware and desktops start at $274, $199 and $319, respectively. IBM's eServer xSeries 225 starts at $1,300, and the company's ThinkCentre A Series desktops begin at $379. Storage systems start at $2,000. You can buy Hewlett-Packard desktops for less than $400 each, while servers and storage products start at $999. Go to www.dell.com, www.ibm.com and www.hp.com.