> Personally, I find that limiting oneself to a single library is too > restrictive. For my situation, we've "approved" jquery and YUI, primarily > because they're well-documented. Difficulty aside, if you need to > complete a task, looking at the docs long enough will get you there. I'm > thinking of mixing in Ext, primarily for its "Combobox" widget, which is > the only library widget out there that works just the way I want.
Sounds like you don't to public facing web sites. Having so many libraries means there must be several hundred kb download just to get going.