Upgrade or SLI my gpu ?

[MIKEYisNSFW]

Hey guys here is my current build

FX-8350
8 gb ram
Gigabyte MB 990fxa-UD3
MSI GTX 660


So i was wondering should i purchase another 660 and use SLI or just upgrade to another card in the $300 range and give my brother my current 660 so he can start building his pc ?
Any feedback is welcome.

 

[Dangman]

What case and PSU do you have?
Is your FX-8350 overclocked?
What games are you playing?
What's the max resolution of your monitors?

 

[MIKEYisNSFW]

What case and PSU do you have? NZXT Source 210 Elite and Rosewill capstone 550w Gold Cert.
Is your FX-8350 overclocked? No
What games are you playing? Diablo 3,CS:Go and soon to be playing watch dogs , titanfall and the division
What's the max resolution of your monitors? 1080p

I'm happy to answer any other questions.
I was thinking about getting this card and i could also sell the games to offset some of the cost.
http://www.newegg.com/Product/Product.aspx?Item=N82E16814127741

 

[Dangman]

I'm happy to answer any other questions.
I was thinking about getting this card and i could also sell the games to offset some of the cost.
http://www.newegg.com/Product/Product.aspx?Item=N82E16814127741

The GTX 770 is only 30% faster than your current card. Up to you if 30% more performance is worth $300. But if your brother is going to build a PC for sure, then yeah, give him your GTX 660.

However, for the current games you've mentioned so far, your GTX 660 should suffice for now. For the future games, I would wait for those games to come out first to see their hardware requirements.

 

[MIKEYisNSFW]

Ok makes sense well my mom is giving me $150 towards the new card so i'm only paying about $200

 

[tiraides]

Are you selling or giving away your GTX 660?

 

[MIKEYisNSFW]

Are you selling or giving away your GTX 660?

I am selling it to my brother for $150.

 

[Dangman]

Then yes, grab the GTX 770.

 

[MIKEYisNSFW]

Ok thanks for the input guys.