They say they've improved:
- Improved RAW Image Quality
- RAW Fine Tuning
- Auto Noise Compensation
- New Color Meter
- Enhanced Export Controls
- Universal Binary support
- Other Improvements
The _text_ version reads: "Aperture 1.1, a significant update to the revolutionary all-in-one post production tool for photographers, runs natively on both Intel- and PowerPC-based Macs. The update features dramatically improved RAW image rendering and a new set of advanced RAW adjustment controls. Likewise, it delivers impressive speed gains on any Mac. At a new lower price of $299, Aperture is within reach of anyone shooting with a digital SLR camera."