Pair of Core2Duo laptops here, T7500 and T7700, for my desktops. With dual LCDs on each. No reason to upgrade them at all. 5 years old, may very well run another 5 unless the other stuff falls apart.
Actually the only itch I have to upgrade the laptops is to put 2560x1440 (or even 4K) screens on them instead of the WUXGA I use right now. But considering the cost of 4K displays right now, I think I'll pass.
Have an i7-2600 that runs the servers/virtual machines/all the 'business' end of the operation very well. It was a massive improvement over the Phenom II 550 BE it replaced.
I still have a Q6600 computer in my closet that still works great.But I also have a old i7-920 in the closet which I keep just in case something happens to the one I am running,But my i7-3820 is not that much faster in games then my old i7-920 unless I run the 3820 at 4.8gigs. My Q6600 system is good enough for searching the web and still plays most games decent but it is overclocked to 3.2gigs.
Not sure where my Phenom 9650 fits in around these c2d and c2q, but I'm so used to it's performance, I don't know what I'm missing. It runs most games in a playable fashion for me, but if someone could convince me in words what I'd see immediately I might grab a mid range mobo/cpu bundle and finally a SSD. One of those typical scenarios where "you don't know what you're missing if you've never had it". I really want to try an Intel setup, but just want a simple bundle package from my local retailer.
We still have a Q9550 in the house. It's in my son's room and it runs pretty much 24/7. It's about 4 years old and, as long as I trade-in and upgrade the video card about once a year, my son is happy with it. I think he did an OC on it but I'm not sure.
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