Set of great articles on SLI from Tech-hounds..

Hi people
I've just found new tech website with tons of information about SLI. I don't have the time to make individual posts about every single article, so this is all-together article on SLI topic. One of the most valuable articles I have ever read on this topic.
Hopefully you'll like it, I know I did.

Revisiting SLI
Admittedly, we are skeptical of new technologies and products. After all, we think a healthy dose of skepticism is good since that means we reserve judgment until we saw proof to the contrary. When we first looked at what multi rendering has to offer with SLI, we were dismayed to say the least. From our experience, SLI doesn't always make good on its promise of performance. But at least, SLI have made good on the promise of quality, every time with every game

Crossfire: ATI's Answer to SLI - Part 2
Both Crossfire and SLI took some news time the past weeks with NVIDIA and ATI making the annoucement of supporting Havok FX physics. NVIDIA was the first to announce their support, back at E3 and ATI has followed suit in Computex. In general we think this is a good thing, particularly with SLI. This means if you don't experience a performance increase with a Havok FX enabled game in SLI, you can either use SLI to have SLI AA or physics.

Crossfire: ATI's Answer to SLI - Part 1
It's been a long time coming, but we finally decided to give in and test a Crossfire setup. For those of you out of the loop, Crossfire is ATI's take on the multi rendering solution, very much like NVIDIA's SLI. We were a little bit skeptical of multi rendering solutions in general, more so after looking at what SLI has to offer.

SLI: Myth and Reality - Part 2
Last week, we took a quick look at what NVIDIA's SLI has to offer. In that article, we concluded that while SLI does work, you should not expect tremendous gains in frame rates. In average, SLI can only offer around 30 % increase, occurring mostly when AA and AF are enabled. So, getting a single faster card is always better than putting two slow cards in an SLI setup.

SLI: Myth and Reality
Several weeks after the release of the GeForce 6 series, NVIDIA announced the rebirth of SLI. For the uninitiated, the moniker stands for Scalable Link Interface (and not Scan Line Interleaving from the ol' 3dfx days). The concept of SLI is pretty simple - instead of using a single card, you use two cards to render one screen by dividing the screen into two parts. If that's not possible, the two cards can take turns rendering the screen, ie. the first card renders all odd frames and the second card renders even frames. An intriguing idea and early test does show some promise. However, as most reviewers found out (later), SLI was anything but simple.