1.   Although items for sale range from used computers to old Pez dispensers, the number of artifacts, American as well as international, has been growing.

2.   American Computer Exchange is a national brokerage for used computers.

3.   American Computer Exchange serves as a broker for used computers.

4.   Because the leading edge of technology turns computers that once were king of the hill into less-desirable models, there are real bargains in used computers.

5.   Besides, buying a used computer makes even more sense than buying a used car.

6.   Both electronic magazines offer software and hardware reviews, feature articles and even a price list for used Mac computers.

7.   But knowing what to charge for a used computer is difficult.

8.   But some educators, who argue that used computers can cause more problems than they solve, have frowned on such tax incentives.

9.   Diabetes Treatment Centers of America has used computer modeling to design a diabetes education and prevention program that it believes will pay off for insurers, Stone said.

10.   Even the language of used computers can be confusing.