There are two things to be said about the Dojo Javascript Toolkit:

1) Is is a very ( if not the most) complete Javascipt framework out there.
2) It is poorly ( if not the poorest ) documented framework out there.

For as long as Adobe's Air is around I have been (trying) to play with it.  It shows a lot of promise and could tackle a lot of browser specific problems we encounter here in the office and with our customers.

Unfortunately Air suffers from one, but very major design flaw. One needs to have administrative rights or you can't install an air application. That's just plain bad thinking Adobe!  I am quite convinced that this alone has still kept my company from embracing Air, simply because most developers can't be bothered to have an administrator come over each time they want to check out an Air app. so they can see what it's all about.

Truly a shame and a missed opportunity.