0000899171-03-000024 4 1 20030211 20030211 FRIEDSON ARTHUR S 0001215330 OFFICER 4 1630 CHICAGO AVE APT 1408 EVANSTON IL 60201 8974656000 CDW COMPUTER CENTERS INC 0000899171 5961 363310735 IL 1231 4 34 000-21796 03550444 200 N MILWAUKEE AVE VERNON HILLS IL 60061 8474656000 200 N MILWAUKEE AVE VERNON HILLS IL 60061 4 1 form_4af021103.htm FEBRUARY 11, 2003 SALES