One which is not mentioned yet is the Mig 29 Fulcrum by Eduardo Fadul. The package can be found at Simviation (FS2004 Military page 58). The package includes 7 models and 9 differrent textures.
There are many additional textures available for this model, including one spectacular "Fulcrum farewell" texture from the German Luftwaffe.
The Aermacchi MB326H package by David Friswell, Garry Smith and Warwick Carter should not be forgotten as well. Nice Italian small jet, which is available at Simviation (FS2004 Military page 92).