We recommend the Fujitsu ScanSnap 1500 (or 1500M for Mac users). We have tested several scanners and this is by far the best scanner that we have encountered.
- One button searchable PDF creation
- Intelligent paper feed detection
- Blazing 20ppm color scanning
- 50-page Automatic Document Feeder (ADF)
- Comes with Adobe® Acrobat® 9 Standard
- Scans front and back of pages
See this video for a demonstration by the Fujitsu product manager being interviewed by Terry Brock.
Please note that there are newer scanners available since our initial testing, and we continue to recommend Fujitsu scanners: