The numbers games for card naming isnt always consistant up or down. The 9500gt is 2-3 times faster and the 9600gt is another whole another level up, but you would assume a similar margin between the three, but no.
you'll need to be more specific that just "is it good". it all depends on what you're going to do with it. if you're going to be playing demading 3d games on a 24" monitor, then go return it as fast as humanly possible. but if you only need it so you can have dual monitors, or just to watch HD video, then yes, it is good.
Jumpy graphics, video start-stops and play and pause gaming just became a thing of the past. Introducing the XFX NVIDIA GeForce® 9400 GT, a gamer—and visual computing enthusiasts—new best friend.
The 9400 GT delivers astonishing vibrant video-watching with NVIDIA® PureVideo® HD technology. HDCP-Capable, the 9400 GT ensures exceptional playback of encrypted Blu-ray Disc and HD DVD movie content when connected to HDCP-compliant displays.
Visual computing tasks such as photo archiving and photo sharing are made more enjoyable thanks to a real pop in the visual experience with reduced CPU utilization and low power consumption. Better still, the 9400 GT has full Microsoft® Windows Media Center support that allows users to offload tasks from the CPU, increasing productivity and enabling users to share, edit and manage photos and videos better than ever before.
What do you want more?