NVIDIA Geforce GTX 470 to cost €349
 

We managed to get some additional prices of upcoming Fermi-based cards and the slower of two will sell for €349 or £299 in the UK market. The plan is to attack the Radeon HD 5870, which is currently selling at roughly the same or a very similar price, as Geforce GTX 470 should end up at least slightly faster in most benchmarks.

http://www.fudzilla.com/content/view/18087/34/

from what I've seen GTX 470 matches HD 5870 at resolution/AA settings where memory size becomes the limiting factor, 2560x1600 with 4-8xAA, FPS are below 20fps and hardly playable.

I think at playable settings the 5870 will outperform the GTX 470. So price has to come down of the NVIDIA card.

Estimated performance:

gtx285 75%
hd5850 80%
gtx470 90-95%
hd5870 100%
gtx480 110-115%
hd5970 140%