The Nvidia 8900 GTX and 8950 GX2 are coming out this summer but as Nvidia have just launched the 8800 ultra and as the ATI 600 series is here i would imagine Nvidia will also release the 8900 series probably not long after the release of the ATI 600 series as a counter blow to AMD / ATI.

__________________

Asrock PGV, P 4 CPU 2.80GHz Ocd to 3GHz
Ballistix 2GB 2048MB Kit
GeForce 6600 GT Ocd 8% zalman VF700 Cooler
Sony 19" X-Black Technology LCD DVI
Logitech G15 Gaming Keyboaed