What A/C would you like to see built as Freeware??

Whats up fellas! I'm curious on which aircraft this community wants built?!! I personally would love to see a wonderful Gulfstream G550 and Excel for FSX and FS9.
Flight Simulator and other chat
https://forums.simviation.com/phpBB3/
https://forums.simviation.com/phpBB3/viewtopic.php?f=17&t=42661