The Thermaltake DuOrb is a great product with a number of strengths and very few weaknesses. As we see it the DuOrb delivers very impressive performance, a fairly easy installation process (depending on graphics card) and supports a huge range of products. The biggest problem we initially had with the DuOrb was the price, which is said to be $50 US, while the Arctic-Cooling Accelero X1 costs just $17 US.
That said, given the performance difference between the two the DuOrb is actually not all that bad in terms of value. Also keep in mind that the DuOrb was very close to the Thermalright HR-03 GT in terms of performance, which is currently the best performing air-cooled VGA product that we have tested to date. That being the case the DuOrb is even better value, as the HR-03 GT costs $55 US and this price does not include a fan.
The only real problem we had with the DuOrb related to the operating volume, which we felt was a little too high for an expensive replacement part. The Xtreme X1 and HR-03 GT where both tested with relatively quiet 2000-RPM fans, which made almost no noise and were certainly not noticeable once inside a case. The DuOrb on the other hand did make quite a lot of noise on the test bed and once in a case was still quite easy to distinguish from the other components.