I personally have Thermatake Duorbs on my stock OverClocked GTs in SLi (650/1900) and they are nice and cool - even though they came a lowly 12/13 in that review! lol In my setup the top card is about 57c, bottom is 55c when playing Crysis which is about the most intense load you can put on a GPU right now. They idle 43c and 40c (top+bottom cards)
I can recommend the TT Duorbs, as they cool well (at least for my relatively small and cool G92 chips!) they look good and are a hell of a lot quieter than the stock HSF. They also only take up 2 slots per card when fitted, whereas something like the HR-03 will take up three - this is handy if you go SLi and still want to plug a PCI card or two in!
Lastly, have you tried upping your fan speeds at all, if you are worried about temps? My original card was set to 29% fan speed by default so I used Rivatuner to dynamically adjust the fan speed up based on the temp (search net for how to do this) Using rivatuner I was able to keep the full load temps <65c just using the stock HSF.
Are you looking to overclock your card? or just keep it cool?
eVGA has a lifetime warranty so if it ever fries they will replace it, so why bother spending the money on a cooler?
If you are looking for more performance, and your PSU is up to par, and you have an SLI motherboard, pickup a 2nd 8800GT off ebay or somewhere cheap and run it SLI. That will give you a HUGE performance boost. That is assuming you are just looking to OC and get better performance. The thermalright cooler is $50 + a fan. You can get another 8800gt for less than $100 on ebay.
With the way my case is set up the cooling slots on my card point down and it traps heat under the card.
2 days ago I put in a slot fan that I got from newegg.
I put in in under my card and my temps came down from 80c to 62c on a full load. http://www.newegg.com/Product/Product.aspx?Item=N82E168...
Yeah mine is working great. I was playing Crysis Warhead last night for 3-4 hours and my temps never went over 64c even after turning my 8800gtx up to 625 mhz. I may try a bit higher after awhile.
BTW I also put in a Silverstone 123 fan that can put out 105 cfm of air.
Its real quiet and comes with 2 bearings, a pot (w/ bracket) to adjust the speed, and all the hardware.
Turned up all of the way it sounds like your in the Everglades but even on medium it blows enough to annoy the cat when it gets near.
Great fan for $10
Unfortunately my 8800gt started to lag last night....80c on Left 4 Dead! @ 65% fan I raised it to 100% fan and solved the problem but man! I think I'm gonna get two of those coolers. Maybe It will be 2x better! Not to mention I already have a similiar fan so I can have 3 little fans next to my 8800 Maybe It will cool down when it sees all the attention its getting.
Those masscool fans seem to do ok. My 9600gt stays about 39c at idle with one underneath it, and gets into the 40's when I play Turning Point: Fall of Liberty(No crysis yet). But then I do play at 1650x1080 and high settings. Not bad.
! under the vid card seems to work best.
I dont know why they put the cooling slots on the bottom.
Dont put it exactly next to it but in the slot ! below so air can get between them as it is a exhaust fan.
Ive never played Turning point but I have been playing Crysis a lot so there is where Im getting my temps.
15-20c is a good gain.
The whole fan speed thing is getting confusing.
Different programs are reporting totally different settings with Ntune being the worst so far.
Currently Im using EVGA Precision for my fan and my overclock.
I like the interface but I mostly like the temp and FPS it shows in games.
It seems to offer the closest thing to accuracy I have found.
I had 4 different progs running with temps,fan and FPS and this one seemed to use the average all of the others so I have to guess it is close to correct.
Besides that the interface is simple and it works with all Nvidia cards.
No more guessing what the settings mean.