he said it already, they are part of an complete 2003 carset for F1C by the CTDP. The Jaguar and the Joradn will be converted to GP4, since I make the textures, but I don't know about the other cars.
actually I am surprised, that my "old" account is still valid... anyhow I just like to say thank you for your kind words... And if the one or the other might be interessted, I have added some comments about some of your statments (concerning the "cooperation" with ISI) in our EMACF1 Forum.