I guess that this is that <A HREF="http://www.presence-pc.com/article-178-4.html" target="_new">link </A> you are talking about. It is in french, but by going from page to page, you will see some benchmarks.
My point of view on that subject, is that peoples sometime doenst listen to other's need when thay advise on system. Yes, overclocking is nice, but not always advisable according to what he or she want to do with his or her system. DV capturing and editing is one area where overclocking is simply not advisable because risk of corruption is greater due to heavy use of HDD.
The need for upgrade will come faster if you dont pick the right system first. To me, I dont buy cheap parts now expecting to maybe upgrade the cpu later or the board because, based on my personnal experience, it simply doenst worth it. Technology is always moving forward so if you buy a full featured board and have no money to put a fast CPU and you get a slower one expecting to upgrade later, then later, your board will probably be obsolete, as new board will have improved performance and feature. Just like SLI. Yes it is nice. But you need 2 video cards to enjoy it. But you dont have the money to buy 2 cards now. OK, SLI is new, overpriced. So, you'll wait to get another video card. That board may have cost you maybe 100$ more than a standard, so it is 100$ sitting there doing nothing. By the time you'll have the money to get the other card, probably that, SLI board will be cheaper, video card will be cheaper and faster cpu will be cheaper. What does that mean? You wasted some money. OTOH, instead of going SLI, you decide to buy a cheaper board. Socket 754 or 939. Then , an adequate CPU and a NICE video card. I guess that a , let say, nforce3 board, socket 754 witha 3200+, 1 512 megs RAM stick and a, I dont know, let say, a gforce 6800 or equivalent will be better now than a SLI motherboard, running a 939 3000+ and a 6600 gforce. Then, what if, by the time you are ready to buy another 6600, well, SLI motherboard with better feature and performance and features might be available. for the same price you paid for the 3000+, maybe the 3500+ will be just couple bucks more and the 6800 will be priced around the 6600 price. So, what will you do. What I would do is sell the current CPU/RAM/mobo to get a newer and better one and 2 6800... I always upgrade CPU/RAM/mobo. What make a performing system is how balanced are all the component.
When I have to built a system, I first ask what will be the purpose of that system and then, what is the budget.
for gaming, and depending of the budget, I look for the video card first, then balance the remaining around it, For DV,RAM and HDD speed and storage possibility is what will influence my choice of componant. General computing need, well, I look for onboard features and depending of the precise need, for maybe a good photo printer that could be added instead of a fast CPU...
Someone who is completly happy now with his new system will be using it for longer time before it feel the need to upgrade than someone who get a computer that he expect to upgrade when he'll havethe money with better parts.
I've been building computer for maybe near 10 years. I, first, was getting cheaper component expecting upgrading it later when money will be available. It always ended up having some outdated parts with newer one and was spending more that I'd like to have only an adequate system. Now, I only buy the best I can afford without thinking about future upgradability and longetivity and it always pay up because I usually keep my computer for a longer time, I have more time to save for my new one and I can make some money by selling a complete computer built with my current CPU/mobo/RAM, a cheap video card and HDD as well as other used component to someone that need a cheap system for general purpose, or it is easyer to sell a complete motherboard with CPU and RAM to someone that want to upgrade his computer as sometime, maybe only the cpu or RAM wont fit on his system.
I dont bash socket 939 CPU. for now, there is not enough motherboard"s choice and the CPU are not performance/price ratio wise. I think that the 3200+ 939 should be the 3000+. The 3500+ should have a faster core and the current 4000+ should be the current 3800+. This way, you'll get more value and performance.
Socket 754 are nicer chip for now, as they are well priced and perform very well. There is a wide selection of board availabe and PCIe should be soon, as some manufacturer has announced boards with PCIe for that socket. Yes, maybe in 3 years, socket 754 will be outdated. But so will current 939 board be. And maybe SLI will be ... same for DDR ...and SATA, ... and gigabits ethernet as wireless networking is improving,... and firewire as newer standard are on the way, ...and current CPU and ...well everything is moving forward and following is an expensive race....
-Always put the blame on you first, then on the hardware !!!