I've been a very enthusiastic proponent of eBooks and eBook Readers, First with my PRS 500 and later my Cybook.
I've been pretty happy showing them off to interested people and giving demo's. And after that sending them to Mobileread to find out more

(Might have corrupted a few Waterstone's Employee's by pointing them to possible sources of cheaper eBooks)
In fact I got so tired of forgetting useful links when I was writing them for for people that I Created a Business card template to print out which I could just hand out to people. You can Find those templates in
this thread and feel free to use them.
The only drawback I really run into is having to explain DRM and limitations on those books.