After some tweaking I'm gettin better fps with acceptable quality all set to mid-up slides and locked at 20 (almost 19.8~20 fps - so it's improvin!

Now I have some doubts:
1. The pinned post Eno made, there's a topic that helps you create an Aircrat folder usin' the simobject thing, I took SAMDIM's Antono family to this folder but they didn't appear in the aircrat menu, so I moved 'em to airplanes and ...voil