Turns out the GeForce GTS 240 from NVIDIA will not simply be a rebadged GeForce 9800 GT graphics card, as Expreview found out the card will feature higher clockspeeds.
The site says the GeForce 9800 GT Green Edition will be the continuation of the 9800 GT, this card is expected in mid-March. The Green Edition has lower clockspeeds but offers much lower power consumption.
The card will coexist with the GeForce GTS 240, which has core/shader/memory clock of 675/1688/2200MHz, compared with 600/1500/1800MHz found on 9800GT.
Another new part is the GeFroce GTS 250, that card will be a rebadged GeForce 9800 GTX+ without any changes, expect the name of course.