Great story by CIO.com's Tom Kaneshige, who brings depth to the iPad in the enterprise story better than anyone else today
http://www.cio.com/article/685421/Trials_of_iPad_Enterprise_Adoption

Interesting factoids:
Proskauer almost went for laptops 2 years ago
Instead gave lawyers choice: new HP laptop, or iPad + desktop (500 out of 700 chose latter)
Apps used include: GoodReader for PDFs, Documents to Go for Office docs, Citrix