[jQuery] Dojo -> jQuery

I've looked around for a good information source on converting from Dojo to jQuery. Specifically, something that might details things to look for when converting, gotchas, things to be careful about, analogous packages (e.g., if you are using the subpackage X in dojo, you should think about using

[jQuery] Dojo & Jquery

Is anyone using Dojo & jQuery together? If so, are there any issues?