That doesn't mean Nvidia is better than ATI, means the the GTX 295
The GTX 295
outperforms (not BETTER than) the 4870x2
Tri-SLI GTX 295 would outperform it as well, doesn't mean you should
buy 3 GTX 295s.
This is the point I was making with the 9800GTX+ vs the 4870. The 9800GTX+ is the 9800GTX done better. It's lower on power usage than the 4870, 9800GTX+ cheaper [using prophecy as the benchmark, if you can find cheaper for the 4870, then go for it] but ultimately the 9800GTX+ lacks frame rate of about 5% from the 4870 for all of tomshardware's GPU benchmarks. With a cost of 30% more for 5% increase in performance for a 4807 makes the 9800GTX+ better value for money.
It's a pure number game for the forums, but if you pay closer attention to what REALLY happens, you'll notice the less powerful 9800GTX+ beats the 4870 every time for Enemy Territory: Quake Wars v1.4. On a hardware level, this shouldn't happen. Here is another case and point:
Crysis on Toms
9800GTX+ would never be better than a GTX 280. Driver support and how the game is written and also the resolutions. By saying ATI is "best value for money" is purely dependent on your expectations. Want to play crysis on 1280x1024, 0xAA, Trilinear, High Quality? 9800GTX+ is the way to go, wanna play
World in Conflict - then the 4870 seriously kicks all other (single) cards.