The Xigmatek HDT-S1283 is my first choice too. It's not the best as far as performance goes, it's not the quietest, but it's very close to best performance and best acoustics while still being relatively cheap. If money is no object and your first priority is performance then the champions AFAIK are these:
I just ordered the ZeroTherm Nirvana.It seemed like the best choice after I read up on it on other websites and reviews.As long as I can(hopefully)get 5-10 degree's cooler with it than my AC Freezer Pro 7,it will be money well spent...Once again I appreciate everyone's advice here...I enjoy reading Tom's everyday,along with everyone heres opinions.
Overclocked X6800, at 3.83Ghz, under load: finally, the Nirvana wins, 53 degrees (the Freezer gets 58).
On the whole, I'd say you won't get 5-10 degrees better temps with your new cooler. Sorry... What you do get with the Nirvana is the ability to overclock higher, if you're going for the record and your CPU/RAM/mobo are all willing to cooperate.
At the end of the day, the TRUE is STILL the champion of the Air cooling arena.
The Noctua NH-U12P gets exactly the same temps or a little better and it's just as quiet, according to a review I've read recently. Keep an eye on it...
For example with an X6800 overclocked to 3.94 Ghz the Noctua gets 55 degrees and the TRUE 59.
I guess I should change what I actually need.My mobo limit is 1800 fsb...@4.05Ghz,my AC Freezer Pro 7,my cpu temps are high forties at idle.Under load it goes uo to high fifties,low sixties...hopefully the Zerotherm will keep it cooler under load???