The GT 120 is a re-branded 9500GT, which is a really shit graphics card (its a $60 card). I really suggest that you show your mom what you can build for $1500. Show her the specs side by side.
And... WHY THE FUCK ARE YOU LISTENING TO THE GUY THAT GETS COMMISSION OFF YOUR SALE? Please explain this
PS: Did you spend any of your own money on this?
And... WHY THE FUCK ARE YOU LISTENING TO THE GUY THAT GETS COMMISSION OFF YOUR SALE? Please explain this

PS: Did you spend any of your own money on this?

