One of our readers, Joe B., sent us his comments after comparing the previous iMac 24" nVidia GF and the new iMac 24" Alu:
We just compared these side-by-side:
1. The new iMac is significantly LESS bright at maximum setting than the older model, contrary to what I have seen written on the Web.
2. The ATI GPU in the new iMac is about 1/2 to 1/3 as fast as the NVIDIA GPU in the old iMac for volume rendering (tested with a 3D data set in OsiriX).
3. The glare from the new screen is a distraction for professionals in the medical and graphics industries. I sure looks handsome, though, and will likely attract PC converts.
4. The 2.8GHz processor speeds routine computing tasks by about 20%, as expected. We like this, but it does not make up for the shortcomings.
5. Overall, I am quite disappointed in the new iMac for my intended use---medical imaging.We decided to publish this news as it illustrates how th
