Well I made a lot of search before buying my gfx card, and I concluded that you can divide NVidia cards in two lines:
The less powerfull ones (cheaper) (without GDDR3)
The more powerfull ones (expensive) (With GDDR3)
It's quite obvious, but I`ll analyse them here so you will understand what I am sayng:
I'll convert the values here to dollars, but please notice that I live in Brasil, and the prices here may be different.
I saw that the 8200, 8500, 8400, 9400, 9500 and some others were much cheaper than cards like 8800, 9800, 9600, 8600, and also noticed that it was because the expensive ones had memory type GDDR3, witch is much faster. I saw 9500 gt for $150 and 8800gt for $350, well I bought a 9500gt with 1gb DDR2 and it's very good, because the chipset makes performance diference too, it's up to you to decide, but my opinion is that it's better to buy a card with ddr2, because instead of having fast memory, it has A LOT, you see, 1gb of video memory is more than needed, so my tip is to buy a cheaper one with a good chipset and lots of memory!
The less powerfull ones (cheaper) (without GDDR3)
The more powerfull ones (expensive) (With GDDR3)
It's quite obvious, but I`ll analyse them here so you will understand what I am sayng:
I'll convert the values here to dollars, but please notice that I live in Brasil, and the prices here may be different.
I saw that the 8200, 8500, 8400, 9400, 9500 and some others were much cheaper than cards like 8800, 9800, 9600, 8600, and also noticed that it was because the expensive ones had memory type GDDR3, witch is much faster. I saw 9500 gt for $150 and 8800gt for $350, well I bought a 9500gt with 1gb DDR2 and it's very good, because the chipset makes performance diference too, it's up to you to decide, but my opinion is that it's better to buy a card with ddr2, because instead of having fast memory, it has A LOT, you see, 1gb of video memory is more than needed, so my tip is to buy a cheaper one with a good chipset and lots of memory!
OS: Windows 10 Pro 64bit Creators Update
CPU: AMD Phenom II X4 960 @ 3.6 GHz
Graphics Card: Nvidia GeForce GTX 960 2GB GDDR5
Motherboard: Gigabyte GA-870A-USB3 AM3+ Revision
RAM: HyperX 8GB Dual Channel @ 1600Mhz
CPU: AMD Phenom II X4 960 @ 3.6 GHz
Graphics Card: Nvidia GeForce GTX 960 2GB GDDR5
Motherboard: Gigabyte GA-870A-USB3 AM3+ Revision
RAM: HyperX 8GB Dual Channel @ 1600Mhz

