This isn't all of them, but here are the ready-to-run models I remember right offhand:
1948 Ford Convertible Classic Metal Works
1948 Ford F1 Panel Delivery Classic Metal Works
1949 Dodge Power Wagon Busch
1949 Jeep Station Wagon EKO
1950 Buick Super Riviera Coupe Busch
1950 Chevrolet 3100 pickup Busch
1951 Chevrolet Fleetline Classic Metal Works
1952 Cadillac Ambulance Busch
1952 Cadillac Series 61 sedan Busch
1952 Cadillac Series 62 convertible Busch
1953 Cadillac Eldorado Malibu International/Model Power
1953 Ford Victoria Classic Metal Works
1954 Ford F-350 Classic Metal Works*
1955 Chevrolet Bel Air Classic Metal Works
1955 Chevrolet Bel Air Malibu International/Model Power
1955 Chrysler Imperial Model Power*
1955 Ford F-100 pickup Athearn*
1955 Ford Panel Delivery Athearn*
1955 Lincoln Continental EKO
1956 Chevrolet Corvette Busch
1956 Ford F-100 pickup Model Power
1956 Ford Thunderbird Busch
1956 Lincoln Continental Mk. II Model Power*
1957 Chevrolet Bel Air Hardtop Busch
1957 Chevrolet Bel Air Hardtop Promotex
1957 Chevrolet Bel Air convertible Busch
1957 Chevrolet Corvette Malibu International/Model Power
1957 Chrysler 300C Classic Metal Works
1957 Plymouth Fury Hardtop Model Power*
1958 Chevrolet Corvette Classic Metal Works
1958 Chevrolet Impala Classic Metal Works
1958 Studebaker Golden Hawk Model Power*
1959 Cadillac Eldorado Biarritz convertible Busch
1959 DeSoto Adventurer EKO
1959 Ford Fairlane sedan Classic Metal Works*
1959 Plymouth Suburban station wagon EKO
White 3000 COE 1949-1958(?) Classic Metal Works
White WC-22 1950-1959 Classic Metal Works
International R-190 1954-1967 Classic Metal Works
Mack B-Series 1954-1966 Athearn
Ford C-Series 1957-1990 Athearn
GM PD-4103 bus 1951-1953 Classic Metal Works*
GM TDH-5301 bus 1959-1977 Busch
*denotes model that is new for 2007 and may not yet be available.
