I have X-Plane 9.70, but the addons below should work with X-plane 10 too I think.
First of all, you should try out the x737, http://eadt.eu/index.php . A must have, you can download 150 liveries, also the wing flex is beautiful.
Another great plane is the Fokker 27-600 http://forums.x-plan...showfile=11933.
I recommend the XPFW 757-200 and 737-300 http://forums.xplane...m/19-airliners/
Oh, you also need the FS2Xplane, this one converts FS2002, FS9, or FSX scenery to X-Plane Scenery..
I hope I helped!