If you mean the F-5B (tandem F-5) then I fully agree while the F-5A it can be equivalent to the already existing in DCS F-5E but without i.e the radar which the F-5A didn't have. As far as it concerns the F-80 it would be fine even if my preference is the T-33A since it was our advanced trainer as 3rd and 4th year air cadets 50 years ago in the Hellenic Air Force Academy (HAFA). The T-37 was my first jet to fly in 1973 as a 2nd year Air Cadet in HAFA (in fact my avatar photo it is me in the cockpit of a T-37B/C in the summer of 1973) and I have particularly loved that aircraft.
