Hoping these are the real deal.
HD 4800 Series Coolers
4850
4870
4870X2
Also some information on the 4850 and 4870:
Translated version of http://www.tomshardware.tw/549,news-549.html
NVIDIA
* GT200, G100, G10U will now be known as the Geforce GTX 200 series
* June 18 launch
* Two models at launch: GTX 280 & GTX 260
* Unknown pricing
* The full core is expected to have 240SPs (compared to 128 in G92/G80) & 512-bit memory interface
* Most likely using GDDR3/4
ATI
* RV770 will end up as the Radeon HD 4800 series
* RV770 most likely has 480 SPs (compared to 320 in RV670/R600), 32 TMUs (doubled) & 512-bit
* 4850 launch on June 16, will use GDDR3 and priced at $229
* 4870 paper launch on June 23, will use GDDR5 and priced at $349
* 4870X2 will have a better inter-core communication, new tech
* 4870X2 is expected to launch in September, priced at $549"
PCZILLA English Version: Information leaking! Radeon HD 4800 VS. GeForce GTX 200!