FSX rig i5-750 with GTX 750 OC

Hi I was wondering if this computer was good enough for fsx. Below I will list the specs of my PC and addons i'll be using.

SPECS:

Windows 7 x64

300W PSU

i5-750 at 2.67 GHz

ASUS GTX 750 OC Link:http://www.amazon.com/GeForce-GTX750-PHOC-1GD5-performance-graphics-GDDR5/dp/B00IB9P1GK/ref=sr_1_1?ie=UTF8&qid=1434585453&sr=8-1&keywords=asus+gtx+750+oc+1gb&pebp=1434585454766&perid=02Q78CBD4PZS9850H5MC

ADDONS:

FlyTampa/ORBX/GEX/UTX/REX/DreamTeam/Aerosoft/UK200 Scenery

PMDG/CLS/Captain Sim/etc. Planes

FsPassengers X

So far with an NGX on default scenery with graphics on high i get this much..

In the air 18-30 FPS

Near the Airport 13-21 FPS