The mainstream GT214 and GT216 along with the value GT218 40nm GPUs are expected in Q3 2009, these chips will replace the G94, G96 and G98, respectively. VR Zone claims NVIDIA is working on four desktop SKUs for the GT216 and six desktop SKUs for GT218 at least, so you can expect different clocks and memory configs/types.
For the integrated graphics market NVIDIA is working on the iGT209, this IGP chipset will replace the GeForce 9300/9400 series in Q3 2009.
Last but not least, the site also lists the GT300 GPU. This will be NVIDIA's next-generation 40nm GPU, it will support DirectX 11 and is slated for Q4 2009.
Segment | Now | Q1 2009 | Q2 2009 | Q3 2009 | Q4 2009 |
Enthusiast | G92 x2 GeForce 9800 GX2 |
GT200b x2 GeForce GTX 295 |
GT212 | GT300 | |
Performance | GT200 GeForce GTX 280 GeForce GTX 260 |
GT200b GeForce GTX 285 GeForce GTX 260 |
|||
Mainstream | G94 GeForce 9600 GT |
GT214 | |||
G96 GeForce 9500 GT |
GT216 | ||||
Value | G98 GeForce 9400 GT |
GT218 | |||
IGP | GeForce 9400 GeForce 9300 |
iGT209 |